180 Potowomut River Basin
Total Page:16
File Type:pdf, Size:1020Kb
180 POTOWOMUT RIVER BASIN 01117000 HUNT RIVER NEAR EAST GREENWICH, RI LOCATION.--Lat 41°38’28", long 71°26’45", Washington County, Hydrologic Unit 01090004, on right bank 45 ft upstream from Old Forge Dam in North Kingstown, 1.5 mi south of East Greenwich, and 2.5 mi upstream from mouth. DRAINAGE AREA.--22.9 mi2. PERIOD OF RECORD.--Discharge: August 1940 to current year. Prior to October 1977, published as "Potowomut River." Water-quality records: Water years 1977–81. REVISED RECORDS.--WSP 1621: 1957–58; 1995. GAGE.--Water-stage recorder. Datum of gage is 5.42 ft above sea level. REMARKS.--Records good. Flow affected by diversions for supply of East Greenwich, North Kingstown, Warwick, and Quonset Point (formerly U.S. Naval establishments). AVERAGE DISCHARGE.--62 years, 46.9 ft3/s. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,020 ft3/s, June 6, 1982, gage height, 3.73 ft, from rating curve extended above 440 ft3/s; maximum gage height of 6.78 ft, Aug. 31, 1954 (backwater from hurricane tidal wave); no flow at times in water years 1948, 1960, 1971, 1975–77, 1983, 1986–87, caused by closing of gate at Old Forge Dam. EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage since at least 1915, about 8.5 ft Sept. 21, 1938 (backwater from hurricane tidal wave). EXTREMES FOR CURRENT YEAR.--Maximum discharge, 836 ft3/s, Mar. 22, gage height, 3.43 ft; minimum, 6.0 ft3/s, Oct. 30, Sept. 20. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 13 7.7 32 33 78 52 297 53 48 31 14 10 2 12 7.5 27 31 62 48 209 51 112 30 12 8.9 3 10 7.3 24 29 52 45 165 49 151 27 11 8.5 4 9.7 7.5 21 29 44 43 144 47 101 27 32 8.7 5 10 7.5 19 28 46 50 129 45 72 34 28 9.4 6 11 6.9 19 32 74 73 122 43 57 31 19 8.7 7 11 7.5 19 32 73 69 131 41 49 27 15 8.3 8 11 7.8 19 30 59 58 171 39 43 25 12 8.2 9 9.7 8.5 18 30 53 54 183 38 39 26 10 8.0 10 8.7 46 17 29 83 59 155 36 37 25 9.6 7.9 11 8.2 72 20 27 89 62 131 34 34 38 11 7.5 12 8.1 43 22 27 62 65 136 33 276 57 14 7.1 13 8.0 29 20 25 54 147 159 31 167 42 42 6.9 14 8.1 25 34 25 53 176 133 29 96 29 32 7.1 15 8.2 42 43 36 56 134 114 29 69 24 22 7.8 16 8.0 31 35 45 56 117 103 29 56 22 18 7.3 17 7.9 25 107 39 64 113 96 29 87 21 15 7.0 18 7.7 21 209 36 55 105 96 28 267 20 13 6.8 19 12 19 128 43 48 93 90 28 153 19 12 6.4 20 11 17 107 68 46 83 83 26 96 17 23 6.0 21 9.5 16 82 52 47 80 80 25 73 16 47 21 22 8.6 16 64 42 44 590 78 38 62 16 29 125 23 8.1 15 54 37 42 504 73 62 71 14 21 59 24 7.4 14 47 35 41 293 71 227 65 13 16 36 25 6.9 13 43 33 46 207 66 236 58 12 14 29 26 6.8 39 37 31 107 160 63 149 50 39 13 25 27 6.9 102 36 30 85 145 61 144 43 49 11 18 28 7.0 60 34 29 63 133 60 109 38 33 12 14 29 7.2 43 32 28 --- 120 57 85 34 25 11 12 30 7.1 36 33 47 --- 316 56 67 32 19 9.7 11 31 7.7 --- 36 100 --- 498 --- 55 --- 15 10 --- TOTAL 276.5 792.2 1438 1138 1682 4692 3512 1935 2536 823 558.3 506.5 MEAN 8.92 26.4 46.4 36.7 60.1 151 117 62.4 84.5 26.5 18.0 16.9 MAX 13 102 209 100 107 590 297 236 276 57 47 125 MIN 6.8 6.9 17 25 41 43 56 25 32 12 9.6 6.0 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2001, BY WATER YEAR (WY) MEAN 18.8 36.6 53.3 63.3 71.3 89.9 84.2 61.4 38.5 18.2 15.5 14.1 MAX 70.1 108 151 186 122 169 230 114 182 56.3 65.1 73.6 (WY) 1956 1956 1987 1979 1970 1983 1983 1989 1982 1984 1946 1954 MIN 1.76 8.05 5.53 7.19 17.5 30.0 25.2 23.8 10.8 5.23 3.06 1.59 (WY) 1969 1950 1966 1966 1944 1981 1966 1992 1957 1994 1965 1968 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1940 - 2001 ANNUAL TOTAL 17363.2 19889.5 ANNUAL MEAN 47.4 54.5 46.9 HIGHEST ANNUAL MEAN 81.5 1984 LOWEST ANNUAL MEAN 17.7 1966 HIGHEST DAILY MEAN 318 Apr 22 590 Mar 22 861 Jun 6 1982 LOWEST DAILY MEAN 6.8 Oct 26 6.0 Sep 20 .00 Oct 25 1947 ANNUAL SEVEN-DAY MINIMUM 7.0 Oct 24 6.9 Sep 14 .10 Sep 13 1943 MAXIMUM PEAK FLOW 836 Mar 22 1020 Jun 6 1982 MAXIMUM PEAK STAGE 3.43 Mar 22 6.78 Aug 31 1954 INSTANTANEOUS LOW FLOW 6.0 Oct 30 .00 Oct 24 1947 10 PERCENT EXCEEDS 96 126 102 50 PERCENT EXCEEDS 35 34 34 90 PERCENT EXCEEDS 9.8 8.2 6.2 PAWCATUCK RIVER BASIN 181 01117350 CHIPUXET RIVER AT WEST KINGSTON, RI LOCATION.--Lat 41°28’56", long 71°33’06", Washington County, Hydrologic Unit 01090005, on right bank at West Kingston, at downstream side of bridge on State Highway 138, 1.5 mi west of Kingston, and 3.1 mi upstream from Worden Pond. DRAINAGE AREA.--9.99 mi2. PERIOD OF RECORD.--Discharge: February 1958 to July 1960 in Rhode Island Water Resources Board Geologic Bulletin 13. September 1973 to current year. Water-quality records: Water years 1974–83. GAGE.--Water-stage recorder. Datum of gage is 89.80 ft above sea level (Rhode Island State Board of Public Roads bench- mark). REMARKS.--Records fair. Diversion upstream for supply of University of Rhode Island. AVERAGE DISCHARGE.--29 years (water years 1959, 1974 to current year), 21.3 ft3/s. EXTREMES FOR PERIOD OF RECORD SINCE 1973.--Maximum discharge, about 250 ft3/s, June 6, 1982; minimum, 0.47 ft3/s, Nov. 6, 7, 1994. Instantaneous maximum and minimum discharges not available prior to Sept. 14, 1973. EXTREMES FOR CURRENT YEAR.--Maximum discharge, 169 ft3/s, Mar. 31, gage height, 6.99 ft; minimum, 0.52 ft3/s, Sept. 12. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 12 7.3 18 18 40 37 145 27 28 14 10 7.0 2 9.9 7.0 16 18 36 31 108 27 36 14 8.6 6.8 3 8.9 6.6 13 16 31 27 86 27 45 14 7.7 6.4 4 8.1 6.5 12 16 26 24 74 24 43 14 9.3 5.9 5 8.1 6.7 11 15 26 27 66 24 39 16 10 5.7 6 8.2 6.6 10 17 30 33 61 24 35 16 10 5.1 7 8.1 6.2 10 17 32 32 61 23 31 15 9.5 4.3 8 7.3 5.9 10 17 31 31 61 22 27 15 8.5 4.7 9 6.9 5.8 9.9 18 29 34 62 20 25 14 7.6 4.8 10 7.2 13 9.6 17 32 37 63 17 23 14 7.2 4.4 11 8.0 27 10 16 36 36 60 17 22 15 7.6 3.4 12 7.3 29 10 15 33 33 59 18 29 16 8.0 .94 13 6.3 24 10 15 29 51 59 18 35 16 10 1.2 14 9.9 20 16 14 26 82 57 18 37 17 12 1.4 15 9.4 19 20 16 25 82 53 17 33 16 13 2.1 16 6.3 18 21 19 25 72 49 16 31 14 11 2.1 17 5.8 17 28 21 25 61 46 15 32 13 10 2.0 18 6.2 14 51 20 25 53 47 14 45 12 9.4 1.9 19 7.2 12 57 21 23 47 47 16 50 12 8.6 2.0 20 6.9 10 49 28 22 43 45 17 46 11 9.7 2.2 21 6.6 9.2 40 32 21 43 44 17 41 9.7 11 4.8 22 6.8 8.3 35 27 20 86 43 20 35 9.2 11 11 23 6.4 7.9 30 24 20 136 39 23 31 8.3 11 17 24 5.7 7.6 26 21 20 116 36 40 29 8.0 14 17 25 6.0 7.2 24 19 27 90 34 71 28 7.6 14 13 26 5.6 12 21 18 46 73 33 75 26 11 11 13 27 5.7 23 20 16 50 64 32 62 22 16 9.4 11 28 5.3 26 19 16 44 57 31 52 19 17 8.7 7.5 29 4.6 23 18 14 --- 53 28 43 16 15 8.0 6.2 30 4.5 21 19 18 --- 74 26 38 14 13 7.6 5.1 31 6.0 --- 19 33 --- 154 --- 33 --- 11 7.1 --- TOTAL 221.2 406.8 662.5 592 830 1819 1655 875 953 413.8 300.5 179.94 MEAN 7.14 13.6 21.4 19.1 29.6 58.7 55.2 28.2 31.8 13.3 9.69 6.00 MAX 12 29 57 33 50 154 145 75 50 17 14 17 MIN 4.5 5.8 9.6 14 20 24 26 14 14 7.6 7.1 .94 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1958 - 2001, BY WATER YEAR (WY) MEAN 9.42 14.7 21.9 27.5 29.7 36.8 36.1 27.6 21.5 13.1 10.7 9.28 MAX 29.1 43.4 59.4 64.2 48.4 64.0 85.4 47.6 70.4 35.3 24.5 32.4 (WY) 1990 1990 1987 1979 1998 1983 1983 1998 1982 1982 1982 1985 MIN 2.88 4.32 5.11 3.54 10.4 9.14 12.7 11.5 7.89 3.94 1.65 1.50 (WY) 1998 1995 1981 1981 1981 1981 1985 1981 1976 1976 1993 1993 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1958 - 2001 ANNUAL TOTAL 7420.5 8908.74 ANNUAL MEAN 20.3 24.4 21.3 HIGHEST ANNUAL MEAN 32.8 1984 LOWEST ANNUAL MEAN 6.89 1981 HIGHEST DAILY MEAN 98 Apr 23 154 Mar 31 235 Jun 6 1982 LOWEST DAILY MEAN 4.1 Jul 21 .94 Sep 12 .51 Nov 6 1994 ANNUAL SEVEN-DAY MINIMUM 4.8 Jul 19 1.7 Sep 12 .57 Nov 3 1994 MAXIMUM PEAK FLOW 169 Mar 31 250 Jun 6 1982 MAXIMUM PEAK STAGE 6.99 Mar 31 6.92 Apr 1 1997 INSTANTANEOUS LOW FLOW .52 Sep 12 .47 Nov 6 1994 10 PERCENT EXCEEDS 36 51 43 50 PERCENT EXCEEDS 17 18 17 90 PERCENT EXCEEDS 7.2 6.4 5.5 182 PAWCATUCK RIVER BASIN 011173545 QUEEN RIVER, 1,400 FT UPSTREAM OF WILLIAMS REYNOLD ROAD, AT EXETER, RI LOCATION.--Lat 41°33’57", long 71°32’51", Washington County, Hydrologic Unit 01090005, on left bank 1,400 ft upstream of William Reynolds Road, 0.7 mi upstream from Fisherville Brook, and 0.9 mi south of Exeter.