Report of Chief Engineer Hudson River - Black River Regulating District Board Meeting July 7, 2020 – Mayfield, New York

REPORT OF CHIEF ENGINEER HUDSON RIVER - BLACK RIVER REGULATING DISTRICT BOARD MEETING JULY 7, 2020 – MAYFIELD, NEW YORK

HUDSON RIVER AREA - JUNE SUMMARY

Reservoir Operation

The June average daily release from the Sacandaga Reservoir (Great Sacandaga Lake) was approximately 1,230 cubic feet per second (cfs). The Upper Hudson / Sacandaga River Offer of Settlement target elevation for June 30 is 766.62 feet (ft). The release of water from Great Sacandaga Lake was consistent with the Upper Hudson/Sacandaga River Offer of Settlement.

Table 1.0 - Great Sacandaga Lake Elevation and Release Date Daily Average Deviation (ft) (1) Release (cfs) Elevation (ft,NAVD)(4) From From Conklingville E.J. West (2) Average Offer of Settlement Dam Hydro Plant May 31 766.97 +0.35 -0.15 0 1,380 June 30 764.8 (e) -0.5 (e) -1.8 (e) 0 1,567 (e) Notes: (1) Difference between current reservoir elevation and historic average or Level 3 (2) Release established by Regulating District (3) "(e)" represents estimated value (4) "NAVD” is North American Vertical Datum

Indian Lake Reservoir

The June average daily release from Indian Lake was approximately 130 cfs.

Table 2.0 - Indian Lake Reservoir Elevation and Release Date Daily Average Release Deviation (ft) Elevation (1) (ft, NAVD) From Average From Target (cfs) May 31 1649.87 +0.02 +0.18 200 June 30 1648.9 (e) -0.6 (e) +0.2 (e) 122 (e) Notes: (1) Local datum = NAVD elevation + 1617.63ft; spillway crest = 1651.01ft (33.38ft) (2) "(e)" represents estimated value

HUDSON RIVER AREA - JUNE SUMMARY- continued

River Flow

Hudson River flow, downstream of the confluence with the Sacandaga River, was approximately 2,030 cfs on June 21 and approximately 2,170 cfs below the historic average flow.

Table 3.0 - Sacandaga, Indian, and Hudson River Flow River Monthly Average Historic Average Flow Flow (2) (cfs) (cfs)

Sacandaga at Hope 199 797

Sacandaga at 1,230 2,100 Stewarts Bridge Indian at Indian 133 271 Lake Dam

Hudson at Hadley (1) 970 2,600

Notes: (1) Above confluence with Sacandaga River (2) Based on USGS records (3) "(e)" represents estimated value (4) Gauge unavailable due to ice

Precipitation

Monthly total precipitation measured 22%, 15%, and 24% historic average at Indian Lake, Mayfield, and Conklingville, respectively, as of June 21

Table 4.0 - Hudson River Basin Precipitation - as of June 21 Station Monthly Total Historic Average (inch) (inch)

Indian Lake 0.95 4.23 Mayfield 0.61 3.97

Conklingville 0.93 3.86

HUDSON RIVER AREA - JUNE SUMMARY- continued

Operation Overview

Precipitation during the month of June was below normal across the Great Sacandaga Lake watershed and the Indian Lake watershed. The monthly inflow to Great Sacandaga Lake and Indian Lake reservoir was approximately 18% and 24% of historic average, respectively. Monthly release of water from Great Sacandaga Lake and Indian Lake measured 59% and 49% of historic average, respectively.

Great Sacandaga Lake Operation

Great Sacandaga Lake operation summary report for the period June 1, 2020 through June 21, 2020 is attached. This report includes projected and forecast values for dates after June 21, 2020.

Hudson River Area Staff Activities

Staff completed routine maintenance and operations activities during the month.

A summary of District staff activities and work projects at the dam facilities is attached in the Administrator’s Report.

BLACK RIVER AREA – JUNE SUMMARY

Reservoir Operations

Stillwater Reservoir

The June average daily release from Stillwater Reservoir was approximately 90 cfs. The maximum discharge for the month was 150 cfs.

Table 1.0 - Stillwater Reservoir Elevation and Release Date Daily Average Deviation from Release Elevation Average Elevation (ft, NAVD) (ft) (1) (cfs) May 31 1,675.30 -2.58 50 June 30 1,675.7 (e) -1.4 (e) 150 (e) Notes: (1) Difference between current reservoir elevation and historic average (2) "(e)" represents estimated value

Sixth Lake Reservoir

The June average daily release from Sixth Lake Reservoir was approximately 2 cfs.

Table 2.0 - Sixth Lake Reservoir Elevation and Release Date Elevation (1) Deviation from Release Average Elevation (2) (ft, NAVD) (ft) (cfs) May 31 1,785.43 -0.95 2 June 30 1,784.7 (e) -0.8 (e) 2 (e) Notes: (1) Local datum = USGS datum (2) Difference between current reservoir elevation and historic average. (3) "(e)" represents estimated value

Old Forge Reservoir

The June average daily release from Old Forge Reservoir was approximately 20 cfs.

Table 3.0 - Old Forge Reservoir Elevation and Release Date Elevation (1) Deviation from Release Average Elevation (2) (ft, NAVD) (ft) (cfs) May 31 1,706.78 +0.15 4 June 30 1,706.7 (e) -0.1 (e) 8 (e) Notes: (1) Local Datum = USGS elevation (2) Difference between current reservoir elevation and historic average. (3) "(e)" represents estimated value

BLACK RIVER AREA - JUNE SUMMARY - continued

River Flow

The average daily Black River flow, as measured at the Watertown gauge, was approximately 1,100 cfs on June 21.

Table 4.0 - Moose, Independence, Beaver, and Black River Flow River Monthly Average Historic Average Flow Flow (1) (cfs) (cfs)

Moose at McKeever 308 636

Beaver at Croghan 190 546

Black at Watertown 1,470 2,930

Notes: (1) Based on USGS records (2) "(e)" represents estimated value (3) Stage and flow affected by ice in river

Precipitation

Monthly total precipitation measured 38%, 27%, 46% of historic average at Stillwater, Old Forge, and Sixth Lake, respectively, as of June 21.

Table 5.0 - Black River Basin Precipitation - as of June 21 Station Monthly Total Historic Average (inch) (inch)

Stillwater 1.96 5.18 Old Forge 1.28 4.81

Sixth Lake 1.97 4.25

BLACK RIVER AREA - JUNE SUMMARY - continued

Operation Overview

Precipitation in the month of June was below average at Stillwater, Sixth Lake and Old Forge Reservoir. The monthly inflow to Stillwater Reservoir was approximately 35% of historic average. The inflow to Sixth Lake and Old Forge Reservoir totaled 0.01 and 0.04 billion cubic feet, respectively, in June. Release of water from Stillwater Reservoir averaged 20% of historic discharge.

Black River Area Staff Activities

A summary of District staff activities and work projects at the dam facilities is attached in the Administrator’s Report.

Great Sacandaga Lake 2020 Reservoir Elevation

774 772 770 768 766 764 762 760 758 756 754 752 750 748 746 744

Elevation (ft, 88 NAVD) 88 (ft, Elevation 742 740

Date

Historic Average Elevation Settlement Target Elevation 2020

Indian Lake 2020 Reservoir Elevation 1655 1653 1651 1649 1647 1645 1643 1641 1639 1637 Elevation (ft, 88 NAVD) 88 (ft, Elevation 1635

Date

Historic Average Elevation Target Elevation 2020 ILA Target

Stillwater Reservoir 2020 Reservoir Elevation

1681 1679 1677 1675 1673 1671 1669 1667 1665 1663 1661 1659

Elevation (ft, 88 NAVD) 88 (ft, Elevation 1657 1655

Date

Historic Average Elevation Operating Elevation 2020

Sixth Lake 2020 Reservoir Elevation 1787

1786

1785

1784

1783

1782

1781

1780

1779 Elevation (ft, 88 NAVD) 88 (ft, Elevation 1778

Date

Historic Average Elevation Target Elevation 2020

Old Forge 2020 Reservoir Elevation 1708

1707

1706

1705

1704

1703 Elevation (ft, 88 NAVD) 88 (ft, Elevation 1702

Date

Historic Average Elevation Target Elevation 2020

SACANDAGA RESERVOIR ELEVATION CALCULATOR BROOKFIELD HYDRO CONTROL CENTER: 877-816-7466 Justin St.John 518-743-2004 (w) Datum: Settlement Parameters 315-396-8194 (cell) 1988 NAVD Date 6/22/2020 Whitewater Daily Avg Daily Conditions Jonathan Norris 518-743-2094 Target Elevation 766.75 (hrs) (cfs) Date 6/22/2020 Actual "Level" 2.83 3 806 Day of Year 4922 Dan McCarty 744-2067 Eric Johnson "Level 2.5 threshold" 4 958 Starting Elevation (ft) 765.83 765.77 Piezometers 518-696-5807 863-8791 "Level 1.2 threshold" 756.83 5 1110 Average Elevation 765.77 Hudson River Target Elevation Level 6 1263 ACTUAL High Value Maximum Flow (cfs) 8000 7500 Rafting Relase at Abanakee 7 1415 Flow Below Hadley (cfs) 2187 SCHEDULED Low Value Minimum Flow (cfs) n/a 1918 North Crk T, Th, Sa., Su. 8 1567 Todays Release 1567 ESTIMATED Instant. (min + raffting) Min. Rec/Rafting Hours (hrs) 8 Hadley M, W, F, Su. * 4000 cfs/hr + base flow 350 cfs Tomorrows Release 1567 TO BE CHANGED Spillway Crest 770.12 ft 88 NAVD

Starting Date Starting Net Sacandaga River Flow Settlement Hudson Hudson River Hudson River Target Flow Ending Ending Date Daily Settlement Historic Daily 12:00 AM Elevation Average E.J. West Valves Spillway Average Maximum Level at Hadley Below Minimum Maximum Elevation 12:00 AM Average Target Average Elev.

Inflow Release (Table F - Elev.) Confluence (Table C - Level) (Table D - Elev.) (Table E - Level) FlooFt. Ed. Elevation Elevation

6/1/2020 766.95 500 587 0 0 587 5307 2.94 1880 2467 1971 8000 7500 766.94 6/2/2020 766.95 767.10 766.58 6/2/2020 766.94 900 575 0 0 575 5307 2.94 1740 2315 1971 8000 7500 766.96 6/3/2020 766.95 767.09 766.58 6/3/2020 766.96 800 638 0 0 638 5307 2.95 1600 2238 1976 8000 7500 766.97 6/4/2020 766.97 767.07 766.55 6/4/2020 766.97 800 577 0 0 577 5307 2.96 1530 2107 1981 8000 7500 766.98 6/5/2020 766.98 767.05 766.51 6/5/2020 766.98 400 854 0 0 854 5307 2.96 1440 2294 1981 8000 7500 766.94 6/6/2020 766.96 767.04 766.46 6/6/2020 766.94 500 1360 0 0 1360 5260 2.95 1310 2670 1976 8000 7500 766.87 6/7/2020 766.91 767.02 766.44 6/7/2020 766.87 400 1350 0 0 1350 5260 2.93 1200 2550 1966 8000 7500 766.79 6/8/2020 766.83 767.00 766.40 6/8/2020 766.79 300 916 0 0 916 5213 2.93 1150 2066 1966 8000 7500 766.74 6/9/2020 766.77 766.99 766.35 6/9/2020 766.74 200 884 0 0 884 5167 2.93 1070 1954 1966 8000 7500 766.68 6/10/2020 766.71 766.97 766.31 6/10/2020 766.68 700 1030 0 0 1030 5167 2.92 1010 2040 1962 8000 7500 766.65 6/11/2020 766.67 766.95 766.26 6/11/2020 766.65 1300 1220 0 0 1220 5167 2.92 1030 2250 1962 8000 7500 766.65 6/12/2020 766.65 766.94 766.22 6/12/2020 766.65 800 1200 0 0 1200 5167 2.91 1080 2280 1957 8000 7500 766.61 6/13/2020 766.63 766.92 766.18 6/13/2020 766.61 0 1350 0 0 1350 5120 2.87 1060 2410 1938 8000 7500 766.50 6/14/2020 766.56 766.90 766.15 6/14/2020 766.50 100 1350 0 0 1350 5073 2.85 1000 2350 1928 8000 7500 766.40 6/15/2020 766.45 766.89 766.12 6/15/2020 766.40 300 1240 0 0 1240 5027 2.83 940 2180 1918 8000 7500 766.32 6/16/2020 766.36 766.87 766.08 6/16/2020 766.32 300 1210 0 0 1210 4980 2.80 884 2094 1904 8000 7500 766.24 6/17/2020 766.28 766.85 766.05 6/17/2020 766.24 400 1190 0 0 1190 4933 2.78 828 2018 1894 8000 7500 766.17 6/18/2020 766.21 766.84 766.01 6/18/2020 766.17 500 1180 0 0 1180 4933 2.76 766 1946 1885 8000 7500 766.11 6/19/2020 766.14 766.82 765.97 6/19/2020 766.11 400 1350 0 0 1350 4887 2.75 724 2074 1880 8000 7500 766.03 6/20/2020 766.07 766.80 765.91 6/20/2020 766.03 200 1350 0 0 1350 4840 2.73 684 2034 1870 8000 7500 765.94 6/21/2020 765.99 766.79 765.86 6/21/2020 765.94 0 1350 0 0 1350 4793 2.72 653 2003 1866 8000 7500 765.83 6/22/2020 765.89 766.77 765.78 6/22/2020 765.83 0 1567 0 0 1567 4747 2.71 620 2187 1861 8000 7500 765.70 6/23/2020 765.77 766.75 765.70 6/23/2020 765.70 0 1567 0 0 1567 4700 2.70 600 2167 1856 8000 7500 765.57 6/24/2020 765.64 766.74 765.63 6/24/2020 765.57 100 1567 0 0 1567 4607 2.69 680 2247 1851 8000 7500 765.45 6/25/2020 765.51 766.72 765.56 6/25/2020 765.45 200 1567 0 0 1567 4560 2.68 650 2217 1846 8000 7500 765.34 6/26/2020 765.40 766.70 765.49 6/26/2020 765.34 100 1567 0 0 1567 4513 2.66 630 2197 1837 8000 7500 765.22 6/27/2020 765.28 766.69 765.43 6/27/2020 765.22 80 1567 0 0 1567 4467 2.63 610 2177 1822 8000 7500 765.10 6/28/2020 765.16 766.67 765.37 6/28/2020 765.10 50 1567 0 0 1567 4420 2.61 590 2157 1813 8000 7500 764.98 6/29/2020 765.04 766.65 765.32 6/29/2020 764.98 0 1567 0 0 1567 4327 2.59 570 2137 1803 8000 7500 764.85 6/30/2020 764.92 766.64 765.24 6/30/2020 764.85 0 1567 0 0 1567 4280 2.58 550 2117 1798 8000 7500 764.72 7/1/2020 764.79 766.62 765.16 7/1/2020 764.72 0 1567 0 0 1567 4233 2.56 530 2097 1789 8000 7500 764.59 7/2/2020 764.66 766.57 765.08 7/2/2020 764.59 0 1567 0 0 1567 4187 2.54 520 2087 1779 8100 7500 768.21 6/2/2020 767.09 764.98 6/6/2020 767.29 1000 2000 0 0 2000 5487 3.00 1500 3500 2000 8000 7500 777.12 3/15/2019 #N/A #N/A 500

Signature:______

Date:______8:03 AM U:\Hudson River Area\Hydrologic and Hydraulic\Sacandaga Reservoir\Great Sacandaga Lake Elevation Calculator - NAVD88.xlsx GREAT SACANDAGA LAKE Print Date: 6/22/2020 RESERVOIR OPERATION SUMMARY Period of Record: 6/1/2020 to 6/29/2020

Starting Date Daily Avg. Net Sacandaga River Flow Settlement Hudson Hudson River Hudson River Target Flow Maximum 12:00 AM Elevation Average Average Maximum Level at Hadley Below Minimum Maximum Allowable Inflow Release (Table F - Elev.) Confluence (Table B - Level) (Table D & E) Sacandaga

6/1/2020 766.95 500 587 5307 2.94 1880 2467 1971 7500 5307 6/2/2020 766.95 900 575 5307 2.94 1740 2315 1971 7500 5307 6/3/2020 766.97 800 638 5307 2.95 1600 2238 1976 7500 5307 6/4/2020 766.98 800 577 5307 2.96 1530 2107 1981 7500 5307 6/5/2020 766.96 400 854 5307 2.96 1440 2294 1981 7500 5307 6/6/2020 766.91 500 1360 5260 2.95 1310 2670 1976 7500 5307 6/7/2020 766.83 400 1350 5260 2.93 1200 2550 1966 7500 5260 6/8/2020 766.77 300 916 5213 2.93 1150 2066 1966 7500 5213 6/9/2020 766.71 200 884 5167 2.93 1070 1954 1966 7500 5213 6/10/2020 766.67 700 1030 5167 2.92 1010 2040 1962 7500 5167 6/11/2020 766.65 1300 1220 5167 2.92 1030 2250 1962 7500 5167 6/12/2020 766.63 800 1200 5167 2.91 1080 2280 1957 7500 5167 6/13/2020 766.56 0 1350 5120 2.87 1060 2410 1938 7500 5120 6/14/2020 766.45 100 1350 5073 2.85 1000 2350 1928 7500 5073 6/15/2020 766.36 300 1240 5027 2.83 940 2180 1918 7500 5027 6/16/2020 766.28 300 1210 4980 2.80 884 2094 1904 7500 5027 6/17/2020 766.21 400 1190 4933 2.78 828 2018 1894 7500 4980 6/18/2020 766.14 500 1180 4933 2.76 766 1946 1885 7500 4933 6/19/2020 766.07 400 1350 4887 2.75 724 2074 1880 7500 4887 6/20/2020 765.99 200 1350 4840 2.73 684 2034 1870 7500 4887 6/21/2020 765.89 0 1350 4793 2.72 653 2003 1866 7500 4840 6/22/2020 765.77 0 1567 4747 2.71 620 2187 1861 7500 4793 6/23/2020 765.64 0 1567 4700 2.70 600 2167 1856 7500 4700 6/24/2020 765.51 100 1567 4607 2.69 680 2247 1851 7500 4653 6/25/2020 765.40 200 1567 4560 2.68 650 2217 1846 7500 4607 6/26/2020 765.28 100 1567 4513 2.66 630 2197 1837 7500 4560 6/27/2020 765.16 80 1567 4467 2.63 610 2177 1822 7500 4513 6/28/2020 765.04 50 1567 4420 2.61 590 2157 1813 7500 4420 6/29/2020 764.92 0 1567 4327 2.59 570 2137 1803 7500 4373 6/30/2020 764.79 0 1567 4280 2.58 550 2117 1798 7500 4327 7/1/2020 764.66 0 1567 4233 2.56 530 2097 1789 7500 4280 Great Sacandaga Lake Actual and Maximum Allowable Hudson River Flow Below Confluence

25000

20000

15000 Flow (cfs) 10000

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Date

Maximum Allowable Hudson River Flow Below Confluence Hudson River Flow Below Confluence

Maximum Allowable Sacandaga River Flow Sacandaga River Flow

Minimum Allowable Hudson River Flow Below Confluence Hudson River at Hadley

Great Sacandaga Lake Inflow Great Sacandaga Lake GSL Release and Natural Hudson River Flow

20000

18000

16000

14000

12000

10000

Toal Flow Below Confluence (cfs) 8000

6000

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2000

Date

GSL Release Natural Hudson River Flow STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT SACANDAGA RESERVOIR / HUDSON RIVER REGULATION Monthly Report for: May 2020 Sacandaga Sacandaga Sacandaga Reservoir Sacandaga Hudson Regulated Reservoir Reservoir River Near Inflow River at River at Hudson River Day Elevation Elevation Hope Hope x 1.8951 Stewarts Bridge Hadley below confluence Average Daily Midnight cfs cfs cfs cfs cfs 1 766.45 766.26 3390 6424 2510 6350 8860 2 766.79 766.61 2950 5591 1920 7020 8940 3 766.97 766.83 2310 4378 2210 6540 8750 4 767.06 767.01 1900 3601 2450 5840 8290 5 767.06 767.03 1500 2843 2720 5360 8080 6 766.99 766.98 1310 2483 3150 4910 8060 7 766.91 766.88 1130 2141 3710 4340 8050 8 766.76 766.75 1000 1895 3810 3960 7770 9 766.62 766.61 933 1768 4050 3680 7730 10 766.41 766.61 881 1670 4060 3500 7560 11 766.22 766.35 903 1711 3070 3330 6400 12 766.21 766.23 953 1806 2580 3500 6080 13 766.10 766.04 868 1645 2560 3350 5910 14 766.04 766.05 743 1408 1500 3070 4570 15 766.07 766.04 827 1567 1040 2940 3980 16 766.23 766.02 1600 3032 889 3060 3949 17 766.34 766.26 1140 2160 1650 3470 5120 18 766.39 766.34 1230 2331 2150 3610 5760 19 766.44 766.33 1170 2217 1300 3500 4800 20 766.53 766.40 992 1880 573 3300 3873 21 766.63 766.57 858 1626 578 2940 3518 22 766.70 766.69 743 1408 576 2710 3286 23 766.73 766.68 673 1275 574 2550 3124 24 766.77 766.69 594 1126 564 2420 2984 25 766.80 766.75 521 987 575 2290 2865 26 766.82 766.81 478 906 572 2140 2712 27 766.85 766.77 530 1004 558 2010 2568 28 766.86 766.83 452 857 580 1790 2370 29 766.91 766.86 376 713 551 1690 2241 30 767.05 767.03 467 885 1350 1870 3220 31 766.97 767.02 466 883 1380 1860 3240

AVERAGE 1090 2070 1800 3510 5310

CHANGE IN STORAGE DURING THE MONTH 0.77 B.C.F.

CHIEF ENGINEER 88 NAVD STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT INDIAN LAKE RESERVOIR REGULATION Monthly Report for: May, 2020

Regulated Reservoir Reservoir Net Reservoir Indian River Hudson River Hudson River at Day Elevation Elevation Inflow at Indian Lake at Newcomb North Creek Average Daily Midnight cfs cfs cfs cfs 1 1649.73 1649.67 608 302 584 2640 2 1649.91 1649.80 695 301 1040 3410 3 1650.02 1649.97 485 300 958 3070 4 1650.06 1650.05 369 300 869 2570 5 1650.08 1650.08 300 300 756 2320 6 1650.07 1650.08 277 300 572 1970 7 1650.06 1650.07 231 300 458 1710 8 1650.03 1650.04 231 300 391 1550 9 1649.98 1650.01 207 300 351 1500 10 1649.95 1649.97 161 300 320 1350 11 1649.93 1649.91 300 300 298 1410 12 1649.92 1649.91 277 300 295 1530 13 1649.89 1649.90 207 300 287 1380 14 1649.85 1649.87 164 233 270 1370 15 1649.85 1649.83 224 201 271 1130 16 1649.88 1649.84 363 201 529 1470 17 1649.92 1649.91 246 200 745 1850 18 1649.98 1649.93 364 202 681 1830 19 1650.03 1650.00 340 201 645 1840 20 1650.04 1650.06 154 200 584 1570 21 1650.02 1650.04 131 200 530 1430 22 1650.02 1650.01 293 200 504 1310 23 1650.00 1650.05 84 200 526 1250 24 1649.96 1650.00 61 200 520 1210 25 1649.91 1649.94 84 200 458 1140 26 1649.88 1649.89 223 200 410 1060 27 1649.87 1649.90 61 200 385 1010 28 1649.83 1649.85 154 200 362 951 29 1649.79 1649.82 154 200 332 906 30 1649.87 1649.80 316 200 392 966 31 1649.87 1649.86 177 200 437 1070 AVERAGE 256 243 508 1606

CHANGE IN STORAGE DURING THE MONTH 0.034 B.C.F

CHIEF ENGINEER

88 NAVD STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT STILLWATER RESERVOIR / BLACK RIVER REGULATION Monthly Report for: May 2020 Stillwater Stillwater Stillwater Stillwater Black River Beaver River Regulated Reservoir Reservoir Reservoir Reservoir at Boonville at Croghan Black River at Day Elevation Elevation Net Inflow Release Watertown Average Daily Midnight cfs cfs cfs cfs cfs 1 1673.21 1673.08 335 150 904 277 4330 2 1673.26 1673.14 282 150 812 291 5060 3 1673.30 1673.19 256 150 710 285 4690 4 1673.36 1673.23 220 88 624 286 4030 5 1673.42 1673.29 243 138 560 251 3340 6 1673.44 1673.33 190 138 544 217 3060 7 1673.46 1673.35 201 69 517 148 2540 8 1673.52 1673.39 235 50 507 137 2600 9 1673.57 1673.46 156 50 493 132 2290 10 1673.62 1673.50 235 50 513 137 2380 11 1673.73 1673.58 235 50 618 138 2480 12 1673.78 1673.64 235 50 628 135 2860 13 1673.84 1673.71 182 50 561 132 2750 14 1673.90 1673.76 182 50 505 128 2690 15 1673.97 1673.82 399 50 564 168 2320 16 1674.10 1673.94 297 50 984 198 2690 17 1674.19 1674.04 352 50 925 255 3330 18 1674.33 1674.14 380 50 902 297 3690 19 1674.43 1674.27 297 50 959 340 4280 20 1674.50 1674.36 242 50 788 273 4050 21 1674.55 1674.42 187 50 642 170 3200 22 1674.61 1674.47 160 50 553 153 2720 23 1674.66 1674.52 160 50 475 127 2230 24 1674.68 1674.56 132 50 445 144 2100 25 1674.74 1674.59 325 50 414 159 1940 26 1674.81 1674.68 160 50 403 169 1840 27 1674.85 1674.72 132 50 383 170 1800 28 1674.88 1674.75 77 50 356 162 1730 29 1674.95 1674.77 550 50 370 232 1640 30 1675.14 1674.94 593 50 747 755 2900 31 1675.30 1675.13 393 50 649 804 4210

AVERAGE 259 67 610 230 2960

CHANGE IN STORAGE DURING THE MONTH 0.51 B.C.F.

CHIEF ENGINEER 88 NAVD STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT SIXTH LAKE RESERVOIR REGULATION Monthly Report for: May, 2020

Reservoir Reservoir Net Reservoir Gate Opening (ft) Reservoir Day Elevation Elevation Inflow Release Average Daily Midnight cfs Gate A Gate B (cfs)

1 1783.57 1783.59 9 0.00 0.04 2 2 1783.64 1783.61 24 0.00 0.04 2 3 1783.68 1783.67 16 0.00 0.04 2 4 1783.72 1783.71 13 0.00 0.04 2 5 1783.74 1783.74 9 0.00 0.04 2 6 1783.77 1783.76 9 0.00 0.04 2 7 1783.78 1783.78 9 0.00 0.04 2 8 1783.80 1783.80 2 0.00 0.04 2 9 1783.81 1783.80 13 0.00 0.04 2 10 1783.83 1783.83 16 0.00 0.04 2 11 1783.88 1783.87 13 0.00 0.04 2 12 1783.91 1783.90 16 0.00 0.04 2 13 1783.94 1783.94 6 0.00 0.04 2 14 1783.96 1783.95 9 0.00 0.04 2 15 1783.99 1783.97 24 0.00 0.04 2 16 1784.06 1784.03 20 0.00 0.04 2 17 1784.09 1784.08 13 0.00 0.04 2 18 1784.16 1784.11 27 0.00 0.04 2 19 1784.20 1784.18 9 0.00 0.04 2 20 1784.21 1784.20 9 0.00 0.04 2 21 1784.22 1784.22 6 0.00 0.04 2 22 1784.24 1784.23 9 0.00 0.04 2 23 1784.26 1784.25 6 0.00 0.04 2 24 1784.26 1784.26 9 0.00 0.04 2 25 1784.28 1784.28 6 0.00 0.04 2 26 1784.30 1784.29 9 0.00 0.04 2 27 1784.30 1784.31 2 0.00 0.04 2 28 1784.31 1784.31 -2 0.00 0.04 2 29 1784.34 1784.30 47 0.00 0.04 2 30 1784.45 1784.42 21 0.00 0.04 2 31 1784.48 1784.47 10 0.00 0.04 2 AVERAGE 13 2

CHANGE IN STORAGE DURING THE MONTH 0.028 B.C.F

CHIEF ENGINEER 88 NAVD STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT OLD FORGE RESERVOIR REGULATION Monthly Report for: May, 2020

Reservoir Reservoir Net Reservoir Gate Opening (ft) Reservoir Day Elevation Elevation Inflow Release Average Daily Midnight cfs Gate A Gate B (cfs)

1 1705.80 1705.80 64 0.00 0.08 4 2 1705.83 1705.84 79 0.00 0.08 4 3 1705.86 1705.88 49 0.00 0.08 4 4 1705.91 1705.91 34 0.00 0.08 4 5 1705.94 1705.93 64 0.00 0.08 4 6 1705.98 1705.97 19 0.00 0.08 4 7 1705.97 1705.98 49 0.00 0.08 4 8 1706.00 1706.01 -11 0.00 0.08 4 9 1706.01 1706.00 49 0.00 0.08 4 10 1706.04 1706.04 127 0.00 0.08 4 11 1706.13 1706.12 53 0.00 0.08 4 12 1706.14 1706.14 53 0.00 0.08 4 13 1706.18 1706.17 51 0.00 0.08 4 14 1706.21 1706.20 64 0.00 0.08 4 15 1706.25 1706.24 79 0.00 0.08 4 16 1706.31 1706.30 54 0.00 0.08 4 17 1706.35 1706.33 71 0.00 0.08 4 18 1706.42 1706.37 115 0.00 0.08 4 19 1706.46 1706.43 49 0.00 0.08 4 20 1706.47 1706.46 19 0.00 0.08 4 21 1706.48 1706.47 50 0.00 0.08 4 22 1706.50 1706.50 36 0.00 0.08 4 23 1706.54 1706.52 36 0.00 0.08 4 24 1706.54 1706.54 20 0.00 0.08 4 25 1706.56 1706.55 53 0.00 0.08 4 26 0.00 1706.58 35 0.00 0.08 4 27 1706.59 1706.60 19 0.00 0.08 4 28 1706.60 1706.61 -11 0.00 0.08 4 29 1706.64 1706.60 172 0.00 0.08 4 30 1706.74 1706.71 101 0.00 0.08 4 31 1706.78 1706.77 51 0.00 0.08 4 AVERAGE 55 4

CHANGE IN STORAGE DURING THE MONTH 0.136 B.C.F

CHIEF ENGINEER 88 NAVD STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT SACANDAGA RESERVOIR OPERATION FOR WEEK ENDING: June 6, 2020

SACANDAGA RESERVOIR HUDSON RIVER FLOW WATER RELEASE HADLEY SPIER FALLS TOTAL PERIODS DATE SURFACE AVG. AVG. AVG. STORAGE OF ELEV. DAILY DAILY DAILY B.C.F. (1) RELEASE 12 A.M. C.F.S.* C.F.S. C.F.S. Saturday 767.03 34.17 12 AM - Mid 1,350 1,870 3,220 30 Sunday 767.02 34.16 12 AM - Mid 1,380 1,860 3,240 31 Monday 766.95 34.08 12 AM - Mid 587 1,880 2,467 1 Tuesday 766.96 34.10 12 AM - Mid 575 1,740 2,315 2 Wednesday 766.98 34.12 12 AM - Mid 638 1,600 2,238 3 Thursday 766.95 34.08 12 AM - Mid 577 1,530 2,107 4 Friday 766.95 34.08 12 AM - Mid 854 1,440 2,294 5 Saturday 766.93 34.06 12 AM - Mid 1,360 1,310 2,670 6 * SACANDAGA RIVER AT STEWARTS BRIDGE CHANGE IN STORAGE DURING THE WEEK -0.11

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2011 769.19 36.65 6 2020 766.93 34.06

2 2019 769.18 36.64 7 2013 766.92 34.05

3 2014 767.85 35.11 8 2018 766.89 34.02

4 2017 767.51 34.72 9 2016 766.48 33.56

5 2012 767.23 34.40 10 2015 764.54 31.41

CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F. CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

(1) Includes dead storage below El. 734.12 ft. Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT SACANDAGA RESERVOIR OPERATION FOR WEEK ENDING: June 13, 2020

SACANDAGA RESERVOIR HUDSON RIVER FLOW WATER RELEASE HADLEY SPIER FALLS TOTAL PERIODS DATE SURFACE AVG. AVG. AVG. STORAGE OF ELEV. DAILY DAILY DAILY B.C.F. (1) RELEASE 12 A.M. C.F.S.* C.F.S. C.F.S. Saturday 766.93 34.06 12 AM - Mid 1,360 1,310 2,670 6 Sunday 766.90 34.03 12 AM - Mid 1,350 1,200 2,550 7 Monday 766.79 33.91 12 AM - Mid 916 1,150 2,066 8 Tuesday 766.73 33.84 12 AM - Mid 884 1,070 1,954 9 Wednesday 766.68 33.78 12 AM - Mid 1,030 1,010 2,040 10 Thursday 766.65 33.75 12 AM - Mid 1,220 1,030 2,250 11 Friday 766.63 33.73 12 AM - Mid 1,200 1,080 2,280 12 Saturday 766.58 33.67 12 AM - Mid 1,350 1,060 2,410 13 * SACANDAGA RIVER AT STEWARTS BRIDGE CHANGE IN STORAGE DURING THE WEEK -0.39

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2019 769.16 36.61 6 2012 766.86 33.98

2 2017 768.54 35.90 7 2018 766.59 33.68

3 2013 768.00 35.28 8 2020 766.58 33.67

4 2011 767.63 34.86 9 2016 766.40 33.47

5 2014 767.57 34.79 10 2015 765.49 32.46

CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F. CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

SACANDAGA RESERVOIR HUDSON RIVER FLOW WATER RELEASE HADLEY SPIER FALLS TOTAL PERIODS DATE SURFACE AVG. AVG. AVG. STORAGE OF ELEV. DAILY DAILY DAILY B.C.F. (1) RELEASE 12 A.M. C.F.S.* C.F.S. C.F.S. Saturday 766.58 33.67 12 AM - Mid 1,350 1,060 2,410 13 Sunday 766.51 33.59 12 AM - Mid 1,350 1,000 2,350 14 Monday 766.39 33.46 12 AM - Mid 1,240 940 2,180 15 Tuesday 766.28 33.33 12 AM - Mid 1,210 884 2,094 16 Wednesday 766.25 33.30 12 AM - Mid 1,190 828 2,018 17 Thursday 766.20 33.24 12 AM - Mid 1,180 766 1,946 18 Friday 766.12 33.16 12 AM - Mid 1,350 724 2,074 19 Saturday 766.04 33.07 12 AM - Mid 1,350 684 2,034 20 * SACANDAGA RIVER AT STEWARTS BRIDGE CHANGE IN STORAGE DURING THE WEEK -0.60

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2014 769.25 36.72 6 2012 766.58 33.67

2 2019 768.27 35.59 7 2015 766.53 33.61

3 2017 767.71 34.95 8 2018 766.17 33.21

4 2013 766.91 34.04 9 2020 766.04 33.07

5 2011 766.75 33.86 10 2016 766.04 33.07

CAPACITY AT SPILLWAY CREST (EL 770.12) 37.72 B.C.F. CAPACITY AT LOW FLOW LINE (EL 734.12) 4.60 B.C.F.

(1) Includes dead storage below El. 734.12 ft. Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT INDIAN LAKE RESERVOIR OPERATION FOR WEEK ENDING: June 6, 2020

INDIAN LAKE RESERVOIR INDIAN RIVER HUDSON RIVER WATER RELEASE NEWCOMB NORTH CREEK AVAIL. PERIODS DATE SURFACE AVG. AVG. AVG. STORAGE OF ELEV. DAILY DAILY DAILY B.C.F. RELEASE 12 A.M. C.F.S.* C.F.S. C.F.S. Saturday 1,649.80 3.47 12 AM - Mid 200 392 966 30 Sunday 1,649.86 3.48 12 AM - Mid 200 437 1,070 31 Monday 1,649.85 3.48 12 AM - Mid 200 364 1,030 1 Tuesday 1,649.78 3.47 12 AM - Mid 200 298 914 2 Wednesday 1,649.73 3.46 12 AM - Mid 200 258 835 3 Thursday 1,649.79 3.47 12 AM - Mid 200 234 786 4 Friday 1,649.71 3.46 12 AM - Mid 147 214 705 5 Saturday 1,649.72 3.46 12 AM - Mid 122 203 586 6 * INIDAN RIVER NEAR INDIAN LAKE CHANGE IN STORAGE DURING THE WEEK -0.02

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2011 1,650.97 3.71 6 2019 1,650.12 3.54

2 2015 1,650.77 3.67 7 2016 1,650.10 3.53

3 2013 1,650.40 3.59 8 2014 1,649.90 3.49

4 2017 1,650.21 3.56 9 2020 1,649.72 3.46

5 2012 1,650.18 3.55 10 2018 1,649.21 3.36

CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT INDIAN LAKE RESERVOIR OPERATION FOR WEEK ENDING: June 13, 2020

INDIAN LAKE RESERVOIR INDIAN RIVER HUDSON RIVER WATER RELEASE NEWCOMB NORTH CREEK AVAIL. PERIODS DATE SURFACE AVG. AVG. AVG. STORAGE OF ELEV. DAILY DAILY DAILY B.C.F. RELEASE 12 A.M. C.F.S.* C.F.S. C.F.S. Saturday 1,649.72 3.46 12 AM - Mid 122 203 586 6 Sunday 1,649.66 3.45 12 AM - Mid 122 193 576 7 Monday 1,649.66 3.45 12 AM - Mid 122 175 534 8 Tuesday 1,649.63 3.44 12 AM - Mid 122 157 492 9 Wednesday 1,649.58 3.43 12 AM - Mid 122 141 453 10 Thursday 1,649.53 3.42 12 AM - Mid 123 141 492 11 Friday 1,649.63 3.44 12 AM - Mid 122 173 565 12 Saturday 1,649.61 3.43 12 AM - Mid 122 184 530 13 * INIDAN RIVER NEAR INDIAN LAKE CHANGE IN STORAGE DURING THE WEEK -0.02

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2013 1,651.28 3.78 6 2019 1,649.95 3.50

2 2015 1,650.83 3.68 7 2016 1,649.64 3.44

3 2011 1,650.50 3.61 8 2020 1,649.61 3.43

4 2017 1,650.14 3.54 9 2012 1,649.41 3.40

5 2014 1,650.02 3.52 10 2018 1,649.07 3.33

CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT INDIAN LAKE RESERVOIR OPERATION FOR WEEK ENDING: June 20, 2020

INDIAN LAKE RESERVOIR INDIAN RIVER HUDSON RIVER WATER RELEASE NEWCOMB NORTH CREEK AVAIL. PERIODS DATE SURFACE AVG. AVG. AVG. STORAGE OF ELEV. DAILY DAILY DAILY B.C.F. RELEASE 12 A.M. C.F.S.* C.F.S. C.F.S. Saturday 1,649.61 3.43 12 AM - Mid 122 184 530 13 Sunday 1,649.62 3.44 12 AM - Mid 122 166 484 14 Monday 1,649.58 3.43 12 AM - Mid 122 152 444 15 Tuesday 1,649.54 3.42 12 AM - Mid 121 137 421 16 Wednesday 1,649.49 3.41 12 AM - Mid 121 125 392 17 Thursday 1,649.45 3.41 12 AM - Mid 121 112 368 18 Friday 1,649.42 3.40 12 AM - Mid 121 101 342 19 Saturday 1,649.38 3.39 12 AM - Mid 121 92 323 20 * INIDAN RIVER NEAR INDIAN LAKE CHANGE IN STORAGE DURING THE WEEK -0.04

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2013 1,650.94 3.71 6 2019 1,649.33 3.38

2 2015 1,650.69 3.65 7 2012 1,649.19 3.36

3 2014 1,650.39 3.59 8 2017 1,649.02 3.32

4 2011 1,650.01 3.52 9 2018 1,648.91 3.30

5 2020 1,649.38 3.39 10 2016 1,648.81 3.28

CAPACITY AT SPILLWAY CREST (EL 1651.01) 3.7 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT STILLWATER RESERVOIR OPERATION FOR WEEK ENDING: June 6, 2020

STILLWATER RESERVOIR BEAVER RIVER BLACK RIVER

WATER STILLWATER CROGHAN WATERTOWN AVAIL. PERIODS DATE SURFACE RELEASE AVG. AVG. STORAGE OF ELEV. AVG. DAILY DAILY FLOW DAILY FLOW B.C.F. RELEASE 12 A.M. C.F.S. C.F.S. C.F.S. Saturday 1,674.94 3.64 12 AM -Mid 50 755 2,900 30 Sunday 1,675.13 3.69 12 AM -Mid 50 804 4,210 31 Monday 1,675.25 3.72 12 AM -Mid 50 461 3,690 1 Tuesday 1,675.32 3.74 12 AM -Mid 50 223 2,770 2 Wednesday 1,675.41 3.76 12 AM -Mid 50 153 2,230 3 Thursday 1,675.49 3.78 12 AM -Mid 50 155 2,040 4 Friday 1,675.54 3.79 12 AM -Mid 50 157 1,880 5 Saturday 1,675.58 3.80 12 AM -Mid 50 172 1,750 6

CHANGE IN STORAGE DURING THE WEEK 0.16

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2019 1,679.12 4.73 6 2012 1,677.34 4.25

2 2017 1,678.41 4.53 7 2016 1,676.89 4.13

3 2013 1,678.05 4.44 8 2018 1,676.36 4.00

4 2014 1,677.91 4.40 9 2020 1,675.58 3.80

5 2011 1,677.80 4.37 10 2015 1,675.19 3.71

CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F. CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT STILLWATER RESERVOIR OPERATION FOR WEEK ENDING: June 13, 2020

STILLWATER RESERVOIR BEAVER RIVER BLACK RIVER

WATER STILLWATER CROGHAN WATERTOWN AVAIL. PERIODS DATE SURFACE RELEASE AVG. AVG. STORAGE OF ELEV. AVG. DAILY DAILY FLOW DAILY FLOW B.C.F. RELEASE 12 A.M. C.F.S. C.F.S. C.F.S. Saturday 1,675.58 3.80 12 AM -Mid 50 172 1,750 6 Sunday 1,675.67 3.82 12 AM -Mid 50 181 1,690 7 Monday 1,675.72 3.84 12 AM -Mid 50 168 1,610 8 Tuesday 1,675.75 3.84 12 AM -Mid 50 159 1,470 9 Wednesday 1,675.79 3.85 12 AM -Mid 50 153 1,350 10 Thursday 1,675.79 3.85 12 AM -Mid 50 162 1,250 11 Friday 1,675.91 3.88 12 AM -Mid 50 162 1,350 12 Saturday 1,675.94 3.89 12 AM -Mid 50 162 1,610 13

CHANGE IN STORAGE DURING THE WEEK 0.09

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2013 1,679.20 4.75 6 2011 1,677.63 4.33

2 2019 1,678.90 4.67 7 2016 1,677.41 4.27

3 2017 1,678.71 4.62 8 2012 1,677.16 4.20

4 2015 1,677.74 4.36 9 2020 1,675.94 3.89

5 2014 1,677.65 4.33 10 2018 1,675.93 3.89

CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F. CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT STILLWATER RESERVOIR OPERATION FOR WEEK ENDING: June 20, 2020

STILLWATER RESERVOIR BEAVER RIVER BLACK RIVER

WATER STILLWATER CROGHAN WATERTOWN AVAIL. PERIODS DATE SURFACE RELEASE AVG. AVG. STORAGE OF ELEV. AVG. DAILY DAILY FLOW DAILY FLOW B.C.F. RELEASE 12 A.M. C.F.S. C.F.S. C.F.S. Saturday 1,675.94 3.89 12 AM -Mid 50 162 1,610 13 Sunday 1,675.96 3.90 12 AM -Mid 50 157 1,590 14 Monday 1,676.00 3.91 12 AM -Mid 50 150 1,470 15 Tuesday 1,676.02 3.91 12 AM -Mid 50 143 1,330 16 Wednesday 1,676.02 3.91 12 AM -Mid 50 137 1,300 17 Thursday 1,676.04 3.91 12 AM -Mid 50 131 1,030 18 Friday 1,676.04 3.91 12 AM -Mid 88 169 1,090 19 Saturday 1,676.04 3.91 12 AM -Mid 150 272 1,080 20

CHANGE IN STORAGE DURING THE WEEK 0.02

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST TEN YEARS NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2014 1,678.55 4.57 6 2011 1,677.63 4.33

2 2017 1,678.48 4.55 7 2016 1,677.21 4.22

3 2015 1,678.44 4.54 8 2012 1,676.75 4.10

4 2019 1,678.10 4.45 9 2020 1,676.04 3.91

5 2013 1,677.98 4.42 10 2018 1,675.48 3.78

CAPACITY AT SPILLWAY CREST (EL 1677.19) 4.213 B.C.F. CAPACITY AT LOW FLOW LINE (EL 1650.69) 0.10 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT FULTON CHAIN RESERVOIR OPERATION FOR WEEK ENDING: June 6, 2020

OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR WATER RELEASE WATER RELEASE AVAIL. AVAIL. DATE SURFACE AVG. SURFACE AVG. STORAGE STORAGE ELEV. DAILY ELEV. DAILY B.C.F. B.C.F. 12 A.M. C.F.S. 12 A.M. C.F.S. Saturday 1,706.71 0.886 4 1,784.42 0.252 2 30 Sunday 1,706.77 0.893 4 1,784.47 0.253 2 31 Monday 1,706.80 0.897 4 1,784.49 0.254 2 1 Tuesday 1,706.81 0.899 4 1,784.50 0.254 2 2 Wednesday 1,706.84 0.903 15 1,784.52 0.255 2 3 Thursday 1,706.85 0.904 20 1,784.54 0.256 2 4 Friday 1,706.86 0.905 20 1,784.55 0.256 2 5 Saturday 1,706.86 0.905 20 1,784.57 0.257 2 6

CHANGE IN STORAGE 0.019 0.005

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2020 1,706.86 0.905 1 2016 1,785.79 0.295

2 2016 1,706.85 0.905 2 2019 1,785.61 0.290

3 2017 1,706.81 0.900 3 2017 1,785.60 0.289

4 2019 1,706.78 0.896 4 2018 1,785.48 0.285

5 2018 1,706.31 0.832 5 2020 1,784.57 0.257

OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F. SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT FULTON CHAIN RESERVOIR OPERATION FOR WEEK ENDING: June 13, 2020

OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR WATER RELEASE WATER RELEASE AVAIL. AVAIL. DATE SURFACE AVG. SURFACE AVG. STORAGE STORAGE ELEV. DAILY ELEV. DAILY B.C.F. B.C.F. 12 A.M. C.F.S. 12 A.M. C.F.S. Saturday 1,706.86 0.905 20 1,784.57 0.257 2 6 Sunday 1,706.89 0.910 20 1,784.60 0.257 2 7 Monday 1,706.86 0.905 20 1,784.61 0.258 2 8 Tuesday 1,706.86 0.905 20 1,784.61 0.258 2 9 Wednesday 1,706.86 0.905 20 1,784.61 0.258 2 10 Thursday 1,706.84 0.903 20 1,784.63 0.258 2 11 Friday 1,706.96 0.920 81 1,784.74 0.262 2 12 Saturday 1,706.93 0.916 116 1,784.75 0.262 2 13

CHANGE IN STORAGE 0.011 0.006

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2020 1,706.93 0.916 1 2019 1,785.65 0.291

2 2016 1,706.73 0.889 2 2017 1,785.62 0.290

3 2017 1,706.72 0.888 3 2016 1,785.58 0.289

4 2019 1,706.69 0.883 4 2018 1,785.53 0.287

5 2018 1,706.37 0.841 5 2020 1,784.75 0.262

OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F. SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER STATE OF NEW YORK HUDSON RIVER-BLACK RIVER REGULATING DISTRICT FULTON CHAIN RESERVOIR OPERATION FOR WEEK ENDING: June 20, 2020

OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR WATER RELEASE WATER RELEASE AVAIL. AVAIL. DATE SURFACE AVG. SURFACE AVG. STORAGE STORAGE ELEV. DAILY ELEV. DAILY B.C.F. B.C.F. 12 A.M. C.F.S. 12 A.M. C.F.S. Saturday 1,706.93 0.916 116 1,784.75 0.262 2 13 Sunday 1,706.85 0.904 116 1,784.74 0.262 2 14 Monday 1,706.78 0.895 51 1,784.74 0.262 2 15 Tuesday 1,706.73 0.889 20 1,784.74 0.262 2 16 Wednesday 1,706.72 0.888 15 1,784.74 0.262 2 17 Thursday 1,706.72 0.888 8 1,784.74 0.262 2 18 Friday 1,706.73 0.889 8 1,784.74 0.262 2 19 Saturday 1,706.72 0.888 8 1,784.73 0.262 2 20

CHANGE IN STORAGE -0.028 -0.001

ELEVATIONS AND CAPACITIES ON THIS DATE FOR THE PAST FIVE YEARS

OLD FORGE RESERVOIR SIXTH LAKE RESERVOIR NO. YEAR ELEV. CAPACITY NO. YEAR ELEV. CAPACITY

1 2017 1,706.82 0.901 1 2017 1,785.65 0.291

2 2019 1,706.75 0.892 2 2018 1,785.64 0.291

3 2020 1,706.72 0.888 3 2016 1,785.59 0.289

4 2016 1,706.69 0.883 4 2019 1,785.55 0.288

5 2018 1,706.55 0.865 5 2020 1,784.73 0.262

OLD FORGE CAPACITY AT SPILLWAY CREST (EL 1706.99) 0.924 B.C.F. SIXTH LAKE CAPACITY AT SPILLWAY CREST (EL 1785.83) 0.297 B.C.F.

Datum: NAVD 88 ______CHIEF ENGINEER