INDEX 521

Page Page Access to USGS water data...... 22 Callicoon, at...... 350-354 Accuracy of the records, Canajoharie, near...... 87-91 (stage and water-discharge)...... 16 Canajoharie Creek near Canajoharie...... 87-91 Acid neutralizing capacity, definition of...... 23 Cannonsville ...... 390-392 Acre-foot, definition of...... 23 Carmel, Middle Branch near...... 212-213 Adenosine triphosphate, definition of...... 23 near...... 210-211 Albany, at...... 141-143 Categories of water-quality data...... 19 Albany County, ground-water levels in...... 10,459-460 at Oak Hill...... 452 Algal growth potential, definition of...... 23 Cells/volume, definition of...... 24 Alkalinity, definition of...... 23 Cells volume (biovolume), definition of...... 24 Allaben, at...... 150-152 Cfs-day, definition of...... 24 Amawalk, below dam at...... 246-247 Champlain, Lake (see Lake Champlain) Analyses of samples collected at water- Channel bars, definition of...... 24 quality miscellaneous sites...... 474-501 Chasm Falls, Salmon River at...... 4,423-424 National water-quality assessment (NAWQA) Chazy, Little Chazy River near...... 429-430 program, Hudson River basin...... 474-501 Chemical oxygen demand, definition of...... 24 Andes, Tremper Kill near...... 299-300 Chestnut Creek at Grahamsville...... 177-178 Angle Fly Brook at Whitehall Corners...... 248-249 Claryville, East Branch near... 368-369 Annual runoff, definition of...... 23 Neversink River near...... 378-379 Annual 7-day minimum, definition of...... 23 West Branch Neversink River at...... 376-377 Arbutus Pond Outlet near Newcomb...... 451 Classification of records (water quality)...... 17 Arkville, Bush Kill near...... 289-290 Cliff Lake...... 390-391 Dry Brook at...... 291-292 Clinton County, ground-water levels in...... 10,461-462 Aroclor, definition of...... 23 Clostridium perfringens, definition of...... 24-25 Arrangement of records (water quality)...... 17 Cohoes, at...... 131-138 Artificial substrate, definition of...... 23 Coldbrook, Esopus Creek at...... 165-168 Ash mass, definition of...... 23 Coliphages, definition of...... 25 ...... 272-274 Color unit, definition of...... 25 Aspect, definition of...... 23 Confined aquifer, definition of...... 25 Au Sable Forks, Ausable River near...... 437-438 Conklingville, Great at...... 2,55 Ausable River, East Branch, at Au Sable Forks.. 455 Contents, definition of...... 25 near Au Sable Forks...... 437-438 Continuous-record station, definition of...... 25 West Branch, near Lake Placid...... 455 Control, definition of...... 25 Control structure, definition of...... 25 Bacteria, definition of...... 23 Cooks Falls, Beaver Kill at...... 4,307-310 Baldwin Place, Muscoot River at...... 244-245 Cooperation...... 1 Bankfull stage, definition of...... 23 Coulter Brook near Bovina Center...... 324-325 Barryville, Delaware River above Cranberry Lake at Cranberry Lake...... 450 Lackawaxen River near...... 355-358 Crescent Dam, Diversion from Mohawk River at... 133-134 Delaware River at...... 359-360 Crest-stage partial-record stations, Base discharge, definition of...... 23-24 Annual maximum discharge at...... 451-455 Base flow, definition of...... 24 Croghan, Beaver River at...... 400-401 Batavia Kill, at Red Falls near Prattsville.... 104-105 , at Katonah...... 220-221 near Ashland...... 452 near Cross River...... 218-219 near Hensonville...... 452 Croton Falls, near.... 202-203 near Maplecrest...... 102-103 West Branch Croton River near...... 214-215 at Battenville...... 61-62 Croton-on-Hudson, Croton River Battenville, Batten Kill at...... 61-62 at near...... 264-265 Bear Kill near Prattsville...... 110-111 Croton River at New Croton Dam Beaver Kill at Cooks Falls...... 4,307-310 near Croton-on-Hudson...... 264-265 Beaver Kill Tributary above Lake Hill...... 161-162 East Branch, at Brewster...... 200-201 Beaver River, at Croghan...... 400-401 near Croton Falls...... 202-203 Stillwater Reservoir near...... 399 near Putnam Lake...... 197-199 Beaver Swamp Brook basin, discontinued Middle Branch, near Carmel...... 212-213 surface-water discharge or stage-only West Branch, at Kent Cliffs...... 206-207 stations in, list of...... xi at Richardsville...... 204-205 Bed material, definition of...... 24 near Carmel...... 210-211 Bedford Hills, Stone Hill River Tributary at... 234-243 near Croton Falls...... 214-215 Bedload, definition of...... 24 Crown Point Center, Putnam Creek east of...... 441-442 Bedload discharge, definition of...... 24 Cubic foot per second, definition of...... 25 Benthic organisms, definition of...... 24 Cubic foot per second-day, definition of...... 25 Big Indian, Birch Creek at...... 148-149 Cubic foot per second per square mile, Biochemical oxygen demand, definition of...... 24 definition of...... 25 Biomass, definition of...... 24 Biomass pigment ratio, definition of...... 24 Daily mean suspended-sediment concentration, Birch Creek at Big Indian...... 148-149 definition of...... 25 Biscuit Brook above Pigeon Brook Daily-record station, definition of...... 25 at Frost Valley...... 372-373 Data collection and computation, Black River, at Watertown...... 402-403 Ground-water levels...... 21 near Boonville...... 395-396 Ground-water quality...... 22 Blind Brook basin, discontinued crest-stage Stage and water discharge...... 12-13 partial-record stations in, list of...... xvi Data Collection Platform, definition of...... 25 discontinued surface-water discharge or Data logger, definition of...... 25 stage-only stations in, list of...... xi Data presentation Blue-green algae, definition of...... 24 Ground-water levels...... 21-22 Bombay, Little Salmon River at...... 425-426 Ground-water quality...... 22 Boonville, Black River near...... 395-396 Stage and water discharge...... 13-16 Bottom material, definition of...... 24 Surface-water quality...... 18-19 Bouquet River at Willsboro...... 439-440 Datum, definition of...... 25 Bovina Center, Coulter Brook near...... 324-325 Deer River at Deer River...... 454 Brasher Center, St. Regis River at...... 421-422 Definition of terms...... 23-36 Breakabeen, at...... 122-123 De Forest Lake...... 279 Brewster, East Branch Croton River at...... 200-201 Delaware River, above Lackawaxen River near Bridgeville, Neversink River at...... 382-385 Barryville...... 355-358 Bronx River basin, discontinued crest-stage at Barryville...... 359-360 partial-record stations in, list of...... xvii at Callicoon...... 350-354 discontinued surface-water discharge or at Montague, NJ...... 388-389 stage-only stations in, list of...... xi at Pond Eddy...... 361-362 Bulk electrical conductivity, definition of.... 24 at Port Jervis...... 363-365 Burlington, VT, Lake Champlain at...... 448 East Branch, above Read Creek at Fishs Eddy. 311-314 Burtonsville, Schoharie Creek at...... 124-125 at Downsville...... 301-302 Bush Kill below Maltby Hollow Brook at Harvard...... 303-306 at West Shokan...... 169-170 at Margaretville...... 293-294 Bush Kill near Arkville...... 289-290 at Roxbury...... 287-288 Bushnellsville Creek at Shandaken...... 453 near Hankins...... 348-349 West Branch, at Hale Eddy...... 342-345 at Hancock...... 346-347 inside of at Hobart...... 315-317 Calendar (2002 water year)...... front cover at Stilesville...... 338-341 522 INDEX

Page Page Delaware River, West Branch, at Walton...... 332-333 Gas chromatography/flame ionization upstream from Delhi...... 322-323 detector, definition of...... 27 Delaware River basin, crest-stage Geomorphic channel units, definition of...... 27 partial-record stations in...... 453 George, Lake (see Lake George) discharge at miscellaneous sites in...... 457-458 Gilboa, Manor Kill at West Conesville near..... 112-113 discontinued crest-stage partial-record at...... 116-117 stations in, list of...... xviii-xix Schoharie Creek at...... 115 discontinued surface-water discharge or Glowegee Creek at West Milton...... 63-64 stage-only stations in, list of...... xiii Godeffroy, Neversink River at...... 386-387 discontinued surface-water-quality Grahamsville, Chestnut Creek at...... 177-178 stations in, list of...... xvi Grand Gorge, near...... 114 diversions from...... 392 Toad Hollow Brook near...... 108-109 gaging-station records in...... 287-389 Great Chazy River at Perry Mills...... 427-428 in...... 390-391 at Conklingville...... 2,55 Delhi, Little Delaware River near...... 326-327 Green algae, definition of...... 27 West Branch Delaware River upstream from.... 322-323 Green Island, Hudson River at...... 139-140 Delta Reservoir...... 272-273 Green River at Williamstown, MA...... 70 Denning, East Branch Neversink River Grindstone Creek, North Branch, near Altmar.... 454 northeast of...... 366-367 Ground-water level records, by counties: Diatoms, definition of...... 25 Albany...... 10,459-460 Diel, definition of...... 25 Clinton...... 10,461-462 Discharge, definition of...... 25-26 Dutchess...... 10,463 Discontinued crest-stage partial-record Essex...... 464 stations, list of...... xvi-xix Hamilton...... 465 Discontinued surface-water discharge or Lewis...... 466 stage-only stations, list of...... xi-xv Oneida...... 10,467 Discontinued surface-water-quality stations, Rockland...... 10,468 list of...... xv-xvi St. Lawrence...... 10,469 Dissolved, definition of...... 26 Saratoga...... 470 Dissolved oxygen, definition of...... 26 Sullivan...... 471 Dissolved-solids concentration, definition of.. 26 Ulster...... 472 Dissolved trace-element concentrations...... 19 Washington...... 10,473 Diversions: Explanation of...... 21-22 Delaware River basin...... 392 Ground-water quality records, By counties: Hackensack River basin...... 280 Fulton...... 503-518 Hudson River basin...... 274 Herkimer...... 503-520 Mohawk River at Crescent Dam...... 133-134 Madison...... 503-520 Schoharie Reservoir...... 153-156 Montgomery...... 503-518 Diversion from Schoharie Reservoir...... 153-156 Oneida...... 503-520 Diversity index, definition of...... 26 Saratoga...... 503-518 Donnattsburg, Independence River at...... 4,397-398 Schenectady...... 503-518 Downstream order system...... 12 Explanation of...... 22 Downsville, East Branch Delaware River at...... 301-302 Ground-water wells, List of, by county...... x Drainage area, definition of...... 26 Drainage basin, definition of...... 26 Habitat, definition of...... 27 Dry Brook at Arkville...... 291-292 Habitat quality index, definition of...... 27 Dry mass, definition of...... 26 Hackensack River, at Rivervale, NJ...... 277-278 Dry weight, definition of...... 26 at West Nyack...... 275-276 Duane Stream southeast of Duane Center...... 455 Hackensack River basin, discontinued crest- Dunraven, Mill Brook near...... 297-298 stage partial-record stations in, Platte Kill at...... 295-296 list of...... xviii Dutchess County, ground-water levels in...... 10,463 discontinued surface-water discharge or stage-only stations in list of...... xiii Eagle Bridge, near...... 4,72-73 diversions from...... 280 East Brook east of Walton...... 330-331 gaging-station records in...... 275-278 near Jewett Center...... 94-95 reservoirs in...... 279 Elm Creek near Hermon...... 454 Hadley, Hudson River at...... 51-52 Embeddedness, definition of...... 26 , at Stewarts Bridge near.... 56-57 Enterococcus bacteria, definition of...... 26 Hale Eddy, West Branch Delaware River at...... 342-345 EPT Index, definition of...... 26 Hamilton County, ground-water levels in...... 465 Escherichia coli, definition of...... 26 Hancock, West Branch Delaware River at...... 346-347 Esopus Creek, at Allaben...... 150-152 Hankins, Delaware River near...... 348-349 at Coldbrook...... 165-168 Hardness, definition of...... 28 at Mount Marion...... 171-172 Harrisville, West Branch Essex County, ground-water levels in...... 464 Oswegatchie River near...... 4,6,407-408 Estimated (E) concentration value, Harvard, East Branch Delaware River at...... 303-306 definition of...... 26-27 Hastings-on-Hudson, Hudson River south of...... 266-271 Euglenoids, definition of...... 27 Herkimer County, quality of ground water in.... 503-520 Extractable organic halides, definition of..... 27 Heuvelton, Oswegatchie River near...... 409-410 High tide, definition of...... 28 Fair Haven, VT, below...... 445 Hilsenhoff’s Biotic Index, definition of...... 28 Fecal coliform bacteria, definition of...... 27 Hinckley Reservoir...... 272-274 Fecal streptococcal bacteria, definition of.... 27 Hobart, Town Brook southeast of...... 320-321 Fire algae, definition of...... 27 Town Brook Tributary southeast of...... 318-319 First Lake (in Fulton Chain of Lakes)...... 404 West Branch Delaware River at...... 315-317 at Hopewell Junction...... 453 Hollow Tree Brook at Lanesville...... 157-158 Fishs Eddy, East Branch Delaware River Hoosic River, near Eagle Bridge...... 4,72-73 above Read Creek at...... 311-314 near Williamstown, MA...... 69 Flow-duration percentiles, definition of...... 27 Hope, Sacandaga River near...... 4,53-54 Fort Edward, Hudson River at...... 58-59 Horizontal datum, definition of...... 28 Hudson River at Rogers Island at...... 60 Horse Pound Brook near Lake Carmel...... 208-209 Frequency-of-sampling notation (water quality). 19 Housatonic River basin, crest-stage Frost Valley, Biscuit Brook above Pigeon partial-record stations in...... 451 Brook at...... 372-373 discontinued crest-stage partial-record Shelter Creek below Dry Creek near...... 374-375 stations in, list of...... xvi West Branch Neversink River at discontinued surface-water discharge or near...... 370-371 stage-only stations in, list of...... xi Fulton Chain of Lakes...... 404 Hudson River, above Lock 1 near Waterford...... 74-75 Fulton County, quality of ground water in...... 503-518 at Albany...... 141-143 at Fort Edward...... 58-59 Gage datum, definition of...... 27 at Green Island...... 139-140 Gage height, definition of...... 27 at Hadley...... 51-52 Gage values, definition of...... 27 at North Creek...... 49-50 Gaging station, definition of...... 27 at Rogers Island at Fort Edward...... 60 Gaging station records...... 46-449 at south dock at West Point...... 191-196 Gaging stations, List of, in downstream order.. viii-x at Stillwater...... 65-68 Gardiner, at...... 181-182 at Waterford...... 76-78 INDEX 523

Page Page Hudson River, below Poughkeepsie...... 183-188 Lakes and reservoirs: near Newcomb...... 451 Swinging Bridge Reservoir...... 390-391 south of Hastings-on-Hudson...... 266-271 Tappan, Lake...... 279 Hudson River basin, crest-stage partial-record Toronto Reservoir...... 390-391 stations in...... 451-453 Woodcliff Lake...... 279 discharge at miscellaneous sites in...... 456-457 Land-surface datum, definition of...... 28 discontinued crest-stage partial-record Lanesville, Hollow Tree Brook at...... 157-158 stations in, list of...... xvii-xviii Latent heat flux, definition of...... 28 discontinued surface-water discharge or Latitude-longitude system...... 12 stage-only stations in, list of...... xi-xiii Lewis County, ground-water levels in...... 466 discontinued surface-water-quality Lexington, Schoharie Creek near...... 96-97 stations in, list of...... xv-xvi Light-attenuation coefficient, definition of... 28 diversions in...... 274 Lipid, definition of...... 28 gaging-station records in...... 46-271 Lisha Kill northwest of Niskayuna...... 126-130 reservoirs in...... 272-273 Little Ausable River near Valcour...... 435-436 Hunter Brook south of Yorktown...... 262-263 Little Beaver Kill at Beechford near Hutchinson River basin, discontinued surface- Mount Tremper...... 163-164 water discharge or stage-only stations Little Chazy River near Chazy...... 429-430 in, list of...... xi Little Delaware River near Delhi...... 326-327 Hydrographic comparisons...... 6-7 Little Falls, Mohawk River near...... 85-86 Hydrologic benchmark network, explanation of... 11 Little Hoosic River at Petersburg...... 452 Hydrologic index stations, definition of...... 28 Little Salmon River at Bombay...... 425-426 Hydrologic unit, definition of...... 28 Location of gaging stations and observation wells (maps)...... 44-45 Identifying estimated daily discharge...... 16 Long-term method detection level, Inch, definition of...... 28 definition of...... 28 Inch-pound units to Low tide, definition of...... 29 International System units (SI), inside of Lowes Corners, near...... 175-176 Factors for converting...... back cover Independence River at Donnattsburg...... 4,397-398 Macrophytes, definition of...... 29 Indian Lake, Indian River near...... 47-48 Madison County, quality of ground water in..... 503-520 Indian Lake near Indian Lake...... 46 Mahwah, NJ, Ramapo River near...... 285-286 Indian River near Indian Lake...... 47-48 Mamaroneck River basin, discontinued crest- Instantaneous discharge, definition of...... 28 stage partial-record stations in, Introduction...... 1 list of...... xvii Island, definition of...... 28 discontinued surface-water discharge or stage-only stations in, list of...... xi Jewett Center, East Kill near...... 94-95 Manor Kill at West Conesville near Gilboa...... 112-113 Maplecrest, Batavia Kill near...... 102-103 Kast Bridge, at...... 83-84 Margaretville, East Branch Delaware River at... 293-294 Katonah, Cross River at...... 220-221 Massena, St. Lawrence River, Stone Hill River south of...... 222-233 at Cornwall, Ontario--near...... 411-412 Kent Cliffs, West Branch Croton River at...... 206-207 Mean concentration (sediment), definition of... 29 at Rossman...... 452 Mean discharge, definition of...... 29 below Mount Kisco...... 250-261 Mean high or low tide, definition of...... 29 Mean sea level, definition of...... 29 Laboratory measurements (water quality)...... 18 Measuring point, definition of...... 29 Laboratory reporting level, definition of...... 28 Membrane filter, definition of...... 29 Lake Carmel, Horse Pound Brook near...... 208-209 Metamorphic stage, definition of...... 29 Lake Champlain, at Burlington, VT...... 448 Method detection limit, definition of...... 29 north of Whitehall...... 444 Methylene blue active substances, Richelieu River at Rouses Point...... 449 definition of...... 29 Lake George at Rogers Rock...... 443 near Middle Granville...... 446-447 Lake Hill, Beaver Kill Tributary above...... 161-162 Micrograms per gram, definition of...... 29 Lake Ontario, Streams tributary to, Micrograms per kilogram, definition of...... 29 crest-stage partial-record stations in...... 454 Micrograms per liter, definition of...... 29 discharge at miscellaneous sites in...... 458 Microsiemens per centimeter, definition of..... 29 discontinued crest-stage partial-record Middle Granville, Mettawee River near...... 446-447 stations in, list of...... xix Mill Brook (tributary to Delaware River) discontinued surface-water discharge or near Dunraven...... 297-298 stage-only stations in, list of...... xiv Mill Creek Tributary, Tributary to, discontinued surface-water-quality near Lowville...... 454 stations in, list of...... xvi Milligrams per liter, definition of...... 29 gaging-station records in...... 393-403 Mine Kill near North Blenheim...... 118-119 lakes and reservoirs in...... 404 Minimum reporting level, definition of...... 29 Lake Tappan...... 279 Miscellaneous sites, Analyses of samples Lakes and reservoirs: collected at water-quality...... 474-501 Ashokan Reservoir...... 272-274 definition of...... 29 ...... 390-392 discharge at...... 456-458 Champlain, Lake, at Burlington, VT...... 448 Mohawk River, at Cohoes...... 131-138 north of Whitehall...... 444 diversions from, at Crescent Dam...... 133-134 Richelieu River at Rouses Point...... 449 below Delta Dam, near Rome...... 79-80 Cliff Lake...... 390-391 near Little Falls...... 85-86 Cranberry Lake at Cranberry Lake...... 450 Montague, NJ, Delaware River at...... 388-389 De Forest Lake...... 279 Montgomery County, quality of ground water in.. 503-518 Delaware River basin, reservoirs in...... 390-391 at McKeever...... 454 Delta Reservoir...... 272-273 Most probable number, definition of...... 29-30 First Lake (in Fulton Chain of Lakes)...... 404 Mount Kisco, Kisco River below...... 250-261 Fulton Chain of Lakes...... 404 Mount Marion, Esopus Creek at...... 171-172 George, Lake, at Rogers Rock...... 443 Mount Tremper, Little Beaver Kill at Great Sacandaga Lake at Conklingville...... 2,55 Beechford near...... 163-164 Hackensack River basin, reservoirs in...... 279 Multiple-plate samplers, definition of...... 30 Hinckley Reservoir...... 272-274 Mundale, Wolf Creek at...... 328-329 Hudson River basin, reservoirs in...... 272-273 Muscoot River, at Baldwin Place...... 244-245 Indian Lake near Indian Lake...... 46 below dam at Amawalk...... 246-247 ...... 390-392 City Reservoir System, Nanograms per liter, definition of...... 30 month-end contents...... 2 Nassau, Valatie Kill near...... 144-145 Ontario, Lake, Streams tributary to, National Geodetic Vertical Datum of 1929 lakes and reservoirs in...... 404 (NGVD), definition of...... 30 Oradell Reservoir...... 279 National stream-quality accounting network ...... 390-392 (NASQAN), explanation of...... 11 ...... 272-274 National trends network, explanation of...... 11 St. Lawrence River basin, procedures, change in...... 19 lakes and reservoirs in...... 450 National water-quality assessment program Schoharie Reservoir, diversions from...... 153-156 (NAWQA), analyses of samples collected Schoharie Reservoir near Grand Gorge...... 114 at water-quality miscellaneous sites, Sixth Lake (in Fulton Chain of Lakes)...... 404 Hudson River basin...... 475-501 Stillwater Reservoir near Beaver River...... 399 explanation of...... 11 524 INDEX

Page Page National water-quality assessment program Port Jervis, Delaware River at...... 363-365 (NAWQA), gaging station records in Poughkeepsie, Hudson River below...... 183-188 Hudson River basin...... 87-91,126-138,150-152, Poultney River below Fair Haven, VT...... 445 222-233,250-261 Prattsville, Batavia Kill at Red Falls near.... 104-105 Introduction, Hudson River basin...... 474 Bear Kill near...... 110-111 Natural substrate, definition of...... 30 Schoharie Creek at...... 4,106-107 Nekton, definition of...... 30 Primary productivity, definition of...... 31 Nephelometric turbidity unit, definition of.... 30 (carbon method), definition of...... 31-32 Neversink, Neversink River at...... 380-381 (oxygen method), definition of...... 32 Neversink Reservoir...... 390-392 Publications on techniques of Neversink River, at Bridgeville...... 382-385 water-resources investigations...... 38-42 at Godeffroy...... 386-387 Publications, Some recent reports by at Neversink...... 380-381 U.S. Geological Survey authors...... 37 East Branch, Purdys Station, at...... 216-217 at Denning...... 453 Putnam Creek east of Crown Point Center...... 441-442 near Claryville...... 368-369 Putnam Lake, East Branch Croton River near..... 197-199 northeast of Denning...... 366-367 near Claryville...... 378-379 Quality-control data (water quality)...... 20-21 West Branch, at Claryville...... 376-377 at Winnisook Lake near Frost Valley...... 370-371 Radioisotopes, definition of...... 32 Reservoir System, Ramapo, Ramapo River at...... 281-282 month-end contents...... 2 Ramapo River, at Ramapo...... 281-282 Niskayuna, Lisha Kill northwest of...... 126-130 at Suffern...... 283-284 at Albany...... 452 near Mahwah, NJ...... 285-286 North American Vertical Datum of 1988 (NAVD), Raquette River, at Piercefield...... 413-414 definition of...... 30 at Raymondville...... 417-418 North Atlantic slope basins, gaging-station at South Colton...... 415-416 records in...... 46-392 Raymondville, Raquette River at...... 417-418 North Bennington, VT, near.... 71 Reach, definition of...... 32 North Blenheim, Mine Kill near...... 118-119 Records, Explanation of...... 11-22 Schoharie Creek at...... 120-121 Ground-water level...... 21-22 North Creek near Ephratah...... 452 Ground-water quality...... 22 North Creek, Hudson River at...... 49-50 Stage and water discharge...... 12-16 Surface-water quality...... 17-21 Oliverea, Panther Mountain Tributary to Recoverable from bed (bottom) material, Esopus Creek near...... 146-147 definition of...... 32 On-site measurements and sample collection Recurrence interval, definition of...... 32 (water quality)...... 17 Remarks codes (water quality)...... 20 Oneida County, ground-water levels in...... 10,467 Replicate samples, definition of...... 32 quality of ground water in...... 503-520 Reservoirs (see Lakes and reservoirs) Ontario, Lake (see Lake Ontario) Return period, definition of...... 32 Open interval, definition of...... 30 Richardsville, West Branch Croton River at..... 204-205 Oradell Reservoir...... 279 Richelieu River (see Lake Champlain) Organic carbon, definition of...... 30 Riffle, definition of...... 32 Organic mass, definition of...... 30 River mileage, definition of...... 32 Organism count/area, definition of...... 30 Rivervale, NJ, Hackensack River at...... 277-278 Organism count/volume, definition of...... 30 Rockland County, ground-water levels in...... 10,468 Organochlorine compounds, definition of...... 30 near Hillsdale...... 453 Oswegatchie, Oswegatchie River near...... 405-406 Rogers Rock, Lake George at...... 443 Oswegatchie River, near Heuvelton...... 409-410 Rome, Mohawk River below Delta Dam near...... 79-80 near Oswegatchie...... 405-406 Rondout Creek, above Red Brook at Peekamoose... 173-174 West Branch, near Harrisville...... 4,6,407-408 at Rosendale...... 179-180 Other records available (stage and near Lowes Corners...... 175-176 water discharge)...... 16 Rondout Reservoir...... 272-274 Rosendale, Rondout Creek at...... 179-180 Panther Mountain Tributary to Esopus Creek Rouses Point, Richelieu River near Oliverea...... 146-147 (Lake Champlain) at...... 449 Parameter code, definition of...... 30 Roxbury, East Branch Delaware River at...... 287-288 Parishville, West Branch St. Regis River near.. 419-420 Run, definition of...... 32 Partial-record station, definition of...... 30 Runoff, annual for 2002 (map)...... 3 Partial-record stations and miscellaneous monthly for selected sites (graph)...... 4 sites, Discharge at...... 456-458 Runoff, definition of...... 32 Particle size, definition of...... 30 Rutgers Creek at Gardnerville...... 453 Particle size classification, definition of.... 30-31 Passaic River basin, crest-stage Sacandaga River, at Stewarts Bridge near partial-record stations in...... 453 Hadley...... 56-57 discontinued crest-stage partial-record near Hope...... 4,53-54 stations in, list of...... xviii St. Lawrence County, ground-water levels in.... 10,469 discontinued surface-water discharge or St. Lawrence River, at Cornwall, stage-only stations in, list of...... xiii Ontario--near Massena, NY...... 411-412 gaging-station records in...... 281-286 St. Lawrence River basin, crest-stage Peak flow, definition of...... 31 partial-record stations in...... 454-455 Peekamoose, Rondout Creek above Red Brook at... 173-174 discontinued crest-stage partial-record at Tompkins Corners..... 453 stations in, list of...... xix Pepacton Reservoir...... 390-392 discontinued surface-water discharge or Percent composition or percent of total, stage-only stations in, list of...... xiv-xv definition of...... 31 discontinued surface-water-quality Percent shading, definition of...... 31 stations in, list of...... xvi Periodic-record station, definition of...... 31 gaging-station records in...... 405-410,413-449 Periphyton, definition of...... 31 lakes and reservoirs in...... 450 Perry Mills, Great Chazy River at...... 427-428 St. Lawrence River main stem, gaging-station Pesticides, definition of...... 31 records in...... 411-412 pH, definition of...... 31 St. Regis River, at Brasher Center...... 421-422 Phoenicia, near...... 159-160 West Branch, near Parishville...... 419-420 Phytoplankton, definition of...... 31 Salmon River, at Chasm Falls...... 4,423-424 Picocurie, definition of...... 31 at Pineville...... 393-394 Piercefield, Raquette River at...... 413-414 at South Plattsburgh...... 433-434 Pineville, Salmon River at...... 393-394 North Branch, at Redfield...... 454 Plankton, definition of...... 31 Sandy Creek near Adams...... 454 Platte Kill at Dunraven...... 295-296 Saranac River at Plattsburgh...... 4,431-432 Platter Kill at Gilboa...... 116-117 Saratoga County, ground-water levels in...... 470 Plattsburgh, Saranac River at...... 4,431-432 quality of ground water in...... 503-518 Plum Brook near Grantville...... 454 Schenectady County, quality of ground water in. 503-518 Polychlorinated biphenyls (PCBs), Schoharie Creek, at Breakabeen...... 122-123 definition of...... 31 at Burtonsville...... 124-125 Polychlorinated napthalenes (PCNs), at Gilboa...... 115 definition of...... 31 at North Blenheim...... 120-121 Pond Eddy, Delaware River at...... 361-362 at Prattsville...... 4,106-107 Pool, definition of...... 31 near Lexington...... 96-97 INDEX 525

Page Page Schoharie Reservoir, near Grand Gorge...... 114 Total discharge, definition of...... 35 Diversion from...... 153-156 Total in bottom material, definition of...... 35 at Riverbank...... 451 Total length, definition of...... 35 Screened interval, definition of...... 30 Total load, definition of...... 35 Sea level, definition of...... 32-33 Total organism count, definition of...... 35 Sediment...... 18 Total, recoverable, definition of...... 35 Sediment, definition of...... 33 Total sediment discharge, definition of...... 35 Sensible heat flux, definition of...... 33 Total sediment load or total load, Seven-day 10-year low flow, definition of...... 33 definition of...... 35 Shelter Creek below Dry Creek near Town Brook southeast of Hobart...... 320-321 Frost Valley...... 374-375 Town Brook Tributary southeast of Hobart...... 318-319 Shelves, definition of...... 33 Transect, definition of...... 35 Sherruck Brook Tributary near Trout Creek...... 336-337 Tremper Kill near Andes...... 299-300 Sixth Lake (in Fulton Chain of Lakes)...... 404 Trout Creek, Trout Creek near...... 334-335 Sodium-adsorption-ratio, definition of...... 33 Sherruck Brook Tributary near...... 336-337 Soil heat flux, definition of...... 33 Trout Creek near Trout Creek...... 334-335 Soil-water content, definition of...... 33 at Trout River...... 455 South Colton, Raquette River at...... 415-416 Turbidity, definition of...... 35-36 South Plattsburgh, Salmon River at...... 433-434 Special networks and programs...... 11 Ulster County, ground-water levels in...... 472 Specific electrical conductance (conductivity), Ultraviolet absorbance, definition of...... 36 definition of...... 33 Unconfined aquifer, definition of...... 36 Spruceton, below Hunter Brook near... 98-99 USGS water data, access to...... 22 Stable isotope ratio, definition of...... 33 Stage, definition of...... 33 Valatie Kill near Nassau...... 144-145 Stage and water-discharge records, Valcour, Little Ausable River near...... 435-436 Explanation of...... 12-16 Vertical datum, definition of...... 36 Stage-discharge relation, definition of...... 33 Vly Brook near Morehouseville...... 452 Station Identification Numbers...... 11-12 Volatile mass, definition of...... 30 Steele Brook at Shushan...... 451 Volatile organic compounds, definition of...... 36 Stilesville, West Branch Delaware River at..... 338-341 Stillwater, Hudson River at...... 65-68 Wallkill River at Gardiner...... 181-182 Stillwater Reservoir near Beaver River...... 399 Walloomsac River near North Bennington, VT..... 71 Stone Hill River south of Katonah...... 222-233 Walton, East Brook east of...... 330-331 Stone Hill River Tributary at Bedford Hills.... 234-243 West Branch Delaware River at...... 332-333 Stony Brook near Dover Plains...... 451 near Wappingers Falls...... 4,7,189-190 Stony Clove Creek near Phoenicia...... 159-160 Wappingers Falls, Wappinger Creek near...... 4,7,189-190 Streamflow, definition of...... 33 Washington County, ground-water levels in...... 10,473 Substrate, definition of...... 33 Water-discharge records, Explanation of, Substrate embeddedness class, definition of.... 33 (see Stage and water-discharge records) Suffern, Ramapo River at...... 283-284 Water-quality records, Explanation of, Sugarloaf Brook south of Tannersville...... 92-93 (see Surface-water or Ground-water Sullivan County, ground-water levels in...... 471 quality records) Summary of Hydrologic Conditions...... 2-10 Water table, definition of...... 36 Surface area (lake), definition of...... 33 Water-table aquifer, definition of...... 36 Surface-water quality records, Explanation of.. 17-21 Water temperature...... 18 Surficial bed material, definition of...... 33 Water year, definition of...... 36 Suspended, definition of...... 33 Waterford, Hudson River above Lock 1 near...... 74-75 Suspended, recoverable, definition of...... 34 Hudson River at...... 76-78 Suspended sediment, definition of...... 34 Watertown, Black River at...... 402-403 Suspended-sediment concentration, WDR, definition of...... 36 definition of...... 34 Weighted average, definition of...... 36 Suspended-sediment discharge, definition of.... 34 West Canada Creek, at Kast Bridge...... 83-84 Suspended-sediment load, definition of...... 34 near Wilmurt...... 81-82 Suspended, total, definition of...... 34 West Kill, below Hunter Brook near Spruceton... 98-99 Suspended solids, total residue at 105°C near West Kill...... 100-101 concentration, definition of...... 34 West Milton, Glowegee Creek at...... 63-64 Swinging Bridge Reservoir...... 390-391 West Nyack, Hackensack River at...... 275-276 Synoptic studies, definition of...... 34 West Point, Hudson River at south dock at...... 191-196 West Shokan, Bush Kill below Tannersville, Sugarloaf Brook south of...... 92-93 Maltby Hollow Brook at...... 169-170 Tappan, Lake (see Lake Tappan) Wet mass, definition of...... 36 Taxa richness, definition of...... 34 Wet weight, definition of...... 36 Taxonomy, definition of...... 34 Whitehall, Lake Champlain north of...... 444 Thalweg, definition of...... 34 Whitehall Corners, Angle Fly Brook at...... 248-249 Thermograph, definition of...... 34 Williamstown, MA, Green River at...... 70 Time-weighted average, definition of...... 34-35 Hoosic River near...... 69 Titicus River at Purdys Station...... 216-217 Willsboro, Bouquet River at...... 439-440 Toad Hollow Brook near Grand Gorge...... 108-109 Wilmurt, West Canada Creek near...... 81-82 Tons per acre-foot, definition of...... 35 Wolf Creek at Mundale...... 328-329 Tons per day, definition of...... 35 Woodcliff Lake...... 279 Torne Brook at Ramapo...... 453 WSP, definition of...... 36 Toronto Reservoir...... 390-391 Total, definition of...... 35 Yorktown, Hunter Brook south of...... 262-263 (as used in tables of chemical analyses) Total coliform bacteria, definition of...... 35 Zooplankton, definition of...... 36