INDEX 293

A Blackwater River near Webster, NH ...... 275, 285 Acid neutralizing capacity, definition of...... 27, 44 Blue-green algae, definition of ...... 28 Acre-foot, definition of ...... 27 Bottom material, definition of ...... 28 Adenosine triphosphate, definition of ...... 27 Brandy Brook at Bread Loaf, VT ...... 279 Adjusted discharge, definition of ...... 27 Bread Loaf, VT, Brandy Brook at ...... 279 Albany, NH, ground-water levels in ...... 238-239 Brentwood, NH, at Haigh Road near . . 72-73 Algae, Brighton, VT, ground-water levels in...... 265 Blue-green, definition of ...... 28 Bristol, NH, Smith River near ...... 86-87 Fire, definition of ...... 32 Bristol, VT, Little Tributary near ...... 279 Green, definition of ...... 32 Brownington Branch near Evansville, VT ...... 281 Algal growth potential, definition of ...... 27 Brunswick Springs, VT, Paul Tributary near . . . 276 Alkalinity, definition of ...... 27 Bryant Brook at Waterbury Center, VT ...... 280 at Bethlehem Junction, NH . . 132-133 Bulk electrical conductivity, definition of ...... 28 , Burlington, VT, at Errol, NH ...... 50 Englesby Brook at ...... 195-196 near Gorham, NH...... 52 Lake Champlain at...... 229-230 Annual runoff, definition of ...... 27 Potash Brook at ...... 193-194 Annual 7-day minimum, definition of...... 27 C Aquifer Campton, NH, ground-water levels in ...... 246 Confined, definition of...... 29 Canadian Geodetic Vertical Datum 1928, definition of . . 28 Unconfined, definition of...... 43 Cell volume, definition of...... 28 Water-table, definition of...... 43 Cells/volume, definition of ...... 29 Aroclor, definition of...... 27 Center Rutland, VT, Otter Creek at ...... 181-182 Artificial substrate, definition of ...... 27 Cfs-day, definition of ...... 29 Ash mass, definition of ...... 27 Channel bars, definition of ...... 29 , Chemical oxygen demand, definition of ...... 29 at Hinsdale, NH ...... 171-172 Chester, VT, at West Swanzey, NH ...... 169-170 ground-water levels in ...... 272 below Surry Mountain Dam, near Keene, NH. 165-166 Middle Branch Tributary at ...... 278 Aspect, definition of ...... 27 Clostridium perfringens, definition of ...... 29 Ayers Brook at Randolph, VT...... 141-142 at Newport, VT...... 235-236 B Cocheco River near Rochester, NH ...... 60-61 Bacteria, definition of ...... 28 Colebrook, NH, ground-water levels in ...... 242 Enterococcus, definition of ...... 31 Coliphages, definition of...... 29 Escherichia coli, definition of ...... 31 Color unit, definition of ...... 29 Fecal coliform, definition of ...... 31 Concord, NH, Fecal streptococcal, definition of ...... 31 ground-water levels in ...... 252-253 Total coliform, definition of...... 41 at Pembroke Road near . . . . . 100-101 Bailey Brook at East Hardwick, VT ...... 280 Concord, VT, Kirby Brook at ...... 276 Baker River near Rumney, NH ...... 82-83 Conductivity, definition of ...... 39 Bankfull stage, definition of ...... 28 Confined aquifer, definition of ...... 29 Barnstead, NH, ground-water levels in ...... 237 River, Base discharge, definition of...... 28 at North Stratford, NH ...... 114-115 Base flow, definition of...... 28 at North Walpole, NH ...... 160-161 at South Tamworth, NH ...... 56-57 at , VT...... 134-135 Beaver Brook at North Pelham, NH ...... 106-107 at West Lebanon, NH ...... 147-148 Bed material, definition of ...... 28 below , near Pittsburg, NH . . . . 110-111 Bedload, definition of ...... 28 near Dalton, NH ...... 118-119 Bedload discharge, definition of ...... 28 Basin, Benthic organisms, definition of ...... 28 discharge measurements at miscellaneous sites . 285-286 Bethlehem Junction, NH, Ammonoosuc River at. . 132-133 Black River at North Springfield, VT ...... 285 Biochemical oxygen demand, definition of ...... 28 Ompompanoosouc River at Union Village, VT . . . 285 Biomass, definition of ...... 28 below near Biomass pigment ratio, definition of...... 28 Townshend, VT ...... 286 Black River, maximum discharge at crest-stage partial-record at Coventry, VT ...... 233-234 stations...... 276-278 at North Springfield, VT ...... 277, 285 Black River at North Springfield, VT ...... 277 294 INDEX—Continued

Joes Brook Tributary near East Barnet, VT...... 276 Dissolved solids concentration, definition of ...... 30 Kent Brook near Killington, VT ...... 277 Diversity index, definition of ...... 30 Kirby Brook at Concord, VT ...... 276 Dog River at Northfield Falls, VT ...... 203-204 Middle Branch Williams River Tributary at Dover, NH, at Rochester Neck Road Chester, VT...... 278 near ...... 62-63 at Union Village, VT . . . . 277 Drainage area, definition of ...... 31 Tributary near Quechee, VT . 277 , definition of ...... 31 Paul Stream Tributary near Brunswick Springs, VT 276 Droughts, floods and ...... 6 Quimby Brook near Lyndonville, VT ...... 276 Dry mass, definition of ...... 31 Third Branch Tributary at Dry weight, definition of ...... 31 Randolph, VT ...... 277 Durham, NH, Oyster River near ...... 64-65 Tributary near West Topsham, VT . . . 277 E West River below Townshend Dam near East Barnet, VT, Joes Brook Tributary near ...... 276 Townshend, VT ...... 278 East Barre Detention Reservoir at East Barre, VT . . . . 197 West River Tributary near Jamaica, VT ...... 278 East Berkshire, VT, Connecticut River Tributary near Vernon, VT ...... 278 ground-water levels in ...... 266 Contents, definition of ...... 29 near ...... 223-224 Continuous-record station, definition of ...... 29 East Branch near East Haven, , VT ...... 120-121 at Peterborough, NH ...... 94-95 East Branch at Lincoln, NH . . . 78-79 below Hopkinton Dam, at West Hopkinton, NH 96-97 East Georgia, VT, at ...... 219-220 near Henniker, NH ...... 275, 284 East Hardwick, VT, Bailey Brook at ...... 280 upstream Hadley Road near Jaffrey, NH ...... 284 East Haven, VT, East Branch Passumpsic River Control, definition of ...... 29 near ...... 120-121 Control structure, definition of ...... 29 East Orange Branch at East Orange, VT ...... 139-140 Cooperation, explanation of ...... 4 East Orange, VT, East Orange Branch at ...... 139-140 Coventry, VT, Black River at ...... 233-234 East Poultney, VT, Tributary at ...... 279 Crest-stage partial-record stations, explanation of . . . . . 275 East Weare, NH, below Everett Dam Cubic foot per second, definition of ...... 29 near ...... 275, 285 Cubic foot per second-day, definition of ...... 29 Eden, VT, Stony Brook near ...... 280 Cubic foot per second per square mile, definition of . . . . 29 Embeddedness, definition of ...... 31 D Enfield, NH, ground-water levels in ...... 247 Daily mean suspended-sediment concentration, Englesby Brook at Burlington, VT ...... 195-196 definition of ...... 30 Enosburg Falls, VT, Pike River at East Franklin, Daily record station, definition of ...... 30 near ...... 227-228 Dalton, NH, Connecticut River near ...... 118-119 Enterococcus bacteria, definition of ...... 31 Data collection platform, definition of ...... 30 EPT Index, definition of ...... 31 Data logger, definition of ...... 30 Errol, NH, ground-water levels in ...... 243 Datum, definition of ...... 30 Escherichia coli (E. coli), definition of ...... 31 Davisville, NH, at ...... 98-99 Essex Junction, VT, near ...... 215-216 Deerfield, NH, ground-water levels in ...... 258 Estimated (E) value, definition of ...... 31 Definition of terms ...... 10 Euglenoids, definition of ...... 31 Diamond River near Wentworth Location, NH ...... 48 Evansville, VT, Diatoms, definition of ...... 30 Brownington Branch near ...... 281 Diel, definition of ...... 30 Lord Brook near ...... 281 Discharge measurements at miscellaneous sites, Exeter River at Haigh Road near Brentwood, NH . . . 72-73 Bailey Brook Basin ...... 283 Extractable organic halides, definition of ...... 31 Berry’s Brook Basin...... 283 F Connecticut River Basin ...... 285, 286 Fair Haven, VT, Hampton River Basin...... 283 Lake Bomoseen at Outlet, near ...... 175-176 Little River Basin...... 283 Poultney River below ...... 177-178 Basin ...... 282-285 Fecal coliform bacteria, definition of ...... 31 Basin...... 282 Fecal streptococcal bacteria, definition of ...... 31 Discharge measurements made at miscellaneous sites . 282 Ferrisburg, VT, Little Otter Creek at ...... 187-188 Discharge, definition of ...... 30 Filtered, definition of ...... 32 Dissolved, definition of ...... 30 Filtered, recoverable, definition of ...... 32 Dissolved oxygen, definition of ...... 30 Fire algae, definition of ...... 32 INDEX—Continued 295

Floods and droughts, explanation of ...... 6 ground-water levels in ...... 241 Flow, definition of ...... 30 Otter Brook below Otter Brook Dam near . . . 167-168 Flow-duration percentiles, definition of ...... 32 Kent Brook near Killington, VT ...... 277 Franklin, NH, ground-water levels in ...... 254 Killington, VT, Kent Brook near ...... 277 Franklin Junction, NH, Merrimack River at ...... 92-93 Kirby Brook at Concord, VT ...... 276 G L Gage datum, definition of ...... 32 Laboratory reporting level, definition of ...... 33 Gage height, definition of ...... 32 Lake Bomoseen at Outlet, near Fair Haven, VT . . 175-176 Gage values, definition of ...... 32 Lake Champlain at Burlington, VT ...... 229-230 Gaging station, definition of ...... 32 (head of Magog River) at Gas chromatography/flame ionization detector, Newport, VT ...... 231-232 definition of ...... 32 at Weirs Beach, NH ...... 88-89 Geomorphic channel units, definition of ...... 32 Lamoille River, Glover, VT, ground-water levels in ...... 269 at East Georgia, VT ...... 219-220 Goffstown, NH, Piscataquog River near ...... 276, 285 at Johnson, VT ...... 217-218 Green algae, definition of ...... 32 near Newmarket, NH ...... 70-71 Greenfield, NH, ground-water levels in ...... 249 Lancaster, NH, ground-water levels in ...... 244 Ground-water levels, explanation of ...... 6 Land-surface datum, definition of ...... 33 H LaPlatte River at Shelburne Falls, VT ...... 191-192 Habitat, definition of ...... 32 Latent heat flux, definition of ...... 33 Habitat quality index, definition of ...... 33 Lee, NH, Hampton, NH, Little River at Woodland Road, near . . 76-77 ground-water levels in ...... 259 Hardness, definition of ...... 33 North River above NH 125, near ...... 66-69 Hartland, VT, ground-water levels in ...... 273 Lewis Creek near North Ferrisburg, VT ...... 189-190 Henniker, NH, Contoocook River near ...... 275, 284 Lewis Creek Tributary at Starksboro, VT ...... 279 High tide, definition of ...... 33 Light-attenuation coefficient, definition of ...... 33 Hilsenhoff’s Biotic Index, definition of ...... 33 Lincoln, NH, East Branch Pemigewasset River at . . 78-79 Hinsdale, NH, Ashuelot River at ...... 171-172 Lipid, definition of ...... 34 Hooksett, NH, ground-water levels in ...... 255 Lisbon, NH, ground-water levels in ...... 248 Horizontal datum, definition of ...... 33 Little Otter Creek at Ferrisburg, VT ...... 187-188 Basin, Little Otter Creek Tributary near Bristol, VT ...... 279 maximum discharge at crest-stage partial-record Little River, stations ...... 279 at Woodland Road, near Hampton, NH ...... 76-77 Paran Creek near South Shaftsbury, VT ...... 279 near Waterbury, VT ...... 213-214 Hydrologic conditions, summary of ...... 4 Long-term method detection level, definition of ...... 34 Hydrologic index stations, definition of ...... 33 Lord Brook near Evansville, VT ...... 281 Hydrologic unit, definition of ...... 33 Low flow, 7-day, 10-year, definition of ...... 39 I Low tide, definition of ...... 34 Inch, definition of ...... 33 Lyndonville, VT, Quimby Brook near ...... 276 Instantaneous discharge, definition of ...... 33 M International Boundary Commission Survey Datum, Macrophytes, definition of ...... 34 definition of ...... 33 near Moretown, VT ...... 205-206 Introduction, explanation of ...... 1 Manchester, NH, Merrimack River near Goffs Falls, Isinglass River at Rochester Neck Road near below ...... 102-103 Dover, NH ...... 62-63 Marlboro, VT, Tributary near ...... 278 Island Pond, VT, Tributary near ...... 281 Maximum discharge at crest-stage partial-record Island, definition of ...... 33 stations ...... 275 J Connecticut River Basin ...... 276-278 Jamaica, VT, Connecticut River Tributary near Vernon, VT . . . . 278 West River at ...... 163-164 Hudson River Basin ...... 279 West River Tributary near ...... 278 Merrimack River Basin ...... 275-276 Joes Brook Tributary near East Barnet, VT ...... 276 St. Lawrence River Basin ...... 279-281 Johnson, VT, Lamoille River at ...... 217-218 Whetstone Brook Tributary near Marlboro, VT . . . 278 K Mean concentration of suspended sediment, definition of 34 Keene, NH, Mean discharge, definition of ...... 34 Ashuelot River below Surry Mountain Dam, Mean high tide, definition of ...... 34 near ...... 165-166 Mean low tide, definition of ...... 34 296 INDEX—Continued

Mean sea level, definition of ...... 34 at Victory, VT ...... 122-123 Measuring point, definition of ...... 34 Moretown, VT, Mad River near ...... 205-206 Megahertz, definition of ...... 34 Morrisville, VT, ground-water levels in ...... 267 Membrane filter, definition of ...... 34 Most probable number, definition of ...... 35 Merrimack, NH, at ...... 104-105 Multiple-plate samplers, definition of ...... 35 Merrimack River, N at Franklin Junction, NH ...... 92-93 Nanograms per liter, definition of ...... 35 near Goffs Falls, below Manchester, NH . . . . 102-103 Nashua, NH, ground-water levels in ...... 251 Merrimack River Basin, National Geodetic Vertical Datum of 1929, definition of 35 discharge measurements at miscellaneous sites . 282-285 Natural substrate, definition of ...... 35 Contoocook River near Henniker, NH ...... 284 Nekton, definition of ...... 35 near Peterborough, NH ...... 284 New Durham, NH, ground-water levels in ...... 260 Piscataquog River below Everett Dam, New Haven River at Brooksville near near East Weare, NH ...... 285 Middlebury, VT ...... 185-186 Piscataquog River near Goffstown, NH ...... 285 New London, NH, ground-water levels in ...... 256 near Methuen, MA ...... 285 Newmarket, NH, Lamprey River near ...... 70-71 Blackwater River near Webster, NH ...... 285 Newport, NH, ground-water levels in ...... 261-262 maximum discharge at crest-stage partial-record Newport, VT, stations ...... 275-276 Clyde River at ...... 235-236 Blackwater River near Webster, NH ...... 275 Lake Memphremagog (head of Magog River) Contoocook River near Henniker, NH ...... 275 at ...... 231-232 Nubanusit Brook below Edward MacDowell Dam Nonfilterable, definition of ...... 35 near Peterborough, NH ...... 275 North American Datum, Piscataquog River below Everett Dam of 1927, definition of ...... 35 near East Weare, NH ...... 275 of 1983, definition of ...... 35 Piscataquog River near Goffstown, NH ...... 276 North American Vertical Datum of 1988, definition of . 35 Spicket River near Methuen, MA ...... 276 North Bennington, VT, near . . 173-174 Metamorphic stage, definition of ...... 34 North Branch Winooski River at Wrightsville, VT 199-200 Method code, definition of ...... 34 North Danville, VT, Pope Brook (site W-3) near . 125-126 Method detection limit, definition of ...... 34 North Ferrisburg, VT, Lewis Creek near ...... 189-190 Method of Cubatures, definition of ...... 34 North Hartland, VT, Ottauquechee River at . . . . . 151-152 Methuen, MA, Spicket River near ...... 276, 285 North Pelham, NH, Beaver Brook at ...... 106-107 Methylene blue active substances, definition of ...... 34 North Pownal, VT, ground-water levels in ...... 263 near Pawlet, VT ...... 179-180 North River above NH 125, near Lee, NH ...... 66-69 Micrograms per gram, definition of ...... 34 North Salem, NH, Spicket River at ...... 108-109 Micrograms per kilogram, definition of ...... 35 North Springfield, VT, Black River at ...... 277, 285 Micrograms per liter, definition of ...... 35 North Stratford, NH, Connecticut River at ...... 114-115 Microsiemens per centimeter, definition of ...... 35 North Troy, VT, Missisquoi River near ...... 221-222 Middle Branch Williams River Tributary at North Walpole, NH, Connecticut River at ...... 160-161 Chester, VT ...... 278 Northfield Falls, VT, Dog River at ...... 203-204 Middlebury, VT, Nubanusit Brook, New Haven River at Brooksville near ...... 185-186 below Edward MacDowell Dam near Peterborough, Otter Creek at ...... 183-184 NH ...... 275 Milford, NH, ground-water levels in ...... 250 near Peterborough, NH ...... 284 Milligrams per liter, definition of ...... 35 Numbering system for wells, description of ...... 11 Milton, NH, at ...... 58-59 O Milton, VT, ground-water levels in ...... 264 Ompompanoosuc River at Union Village, VT . . . 277, 285 Minimum reporting level, definition of ...... 35 Open interval, definition of ...... 35 Miscellaneous site, definition of ...... 35 Organic carbon, definition of ...... 36 Missisquoi River, Organic mass, definition of ...... 36 at Swanton, VT ...... 225-226 Organism count, near East Berkshire, VT ...... 223-224 Area, definition of ...... 36 near North Troy, VT ...... 221-222 Total, definition of ...... 41 Missisquoi River Tributary at Sheldon Junction, VT . . 281 Volume, definition of ...... 36 Montpelier, VT, Organochlorine compounds, definition of ...... 36 Sunny Brook near ...... 280 Ossipee, NH, ground-water levels in ...... 240 Winooski River at ...... 201-202 Ottauquechee River, INDEX—Continued 297

at North Hartland, VT ...... 151-152 Poultney River Tributary at East Poultney, VT ...... 279 near West Bridgewater, VT ...... 149-150 Primary productivity, definition of ...... 37 Ottauquechee River Tributary near Quechee, VT . . . . . 277 Carbon method, definition of ...... 37 Otter Brook below Otter Brook Dam near Oxygen method, definition of ...... 37 Keene, NH ...... 167-168 Q Otter Creek, Quechee, VT, Ottauquechee River Tributary near . . . . 277 at Center Rutland, VT ...... 181-182 Quimby Brook near Lyndonville, VT ...... 276 at Middlebury, VT ...... 183-184 R Oyster River near Durham, NH ...... 64-65 Radioisotopes, definition of ...... 37 P Ranch Brook at Ranch Camp, near Stowe, VT . . . 209-210 Parameter code, definition of ...... 36 Randolph, VT, Paran Creek near South Shaftsbury, VT ...... 279 Ayers Brook at ...... 141-142 Partial-record station, definition of ...... 36 Third Branch White River Tributary at ...... 277 Particle size, definition of ...... 36 Reach, definition of ...... 38 Particle-size classification, definition of ...... 36 Recoverable, definition of ...... 38 Passumpsic River at Passumpsic, VT ...... 129-130 Recurrence interval, definition of ...... 38 Passumpsic, VT, Passumpsic River at ...... 129-130 Replicate samples, definition of ...... 38 Paul Stream Tributary near Brunswick Springs, VT . . . 276 Reservoir storage, explanation of ...... 6 Pawlet, VT, Mettawee River near ...... 179-180 Reservoirs in Winooski River Basin above Peak flow, definition of ...... 36 Montpelier, VT ...... 197 Peak stage, definition of ...... 36 Return period, definition of ...... 38 Pemigewasset River, Richford, VT, Whittaker Brook at ...... 280 at Plymouth, NH ...... 84-85 Richmond, VT, Winooski River Tributary near ...... 280 at Woodstock, NH ...... 80-81 Riffle, definition of ...... 38 Percent composition, definition of ...... 36 River mileage, definition of ...... 38 Percent of total, definition of ...... 36 Rochester, NH, Cocheco River near ...... 60-61 Percent shading, definition of ...... 36 Rochester, VT, ground-water levels in ...... 274 Periodic-record station, definition of ...... 37 Rockingham, VT, Williams River near ...... 156-157 Periphyton, definition of ...... 37 Rumney, NH, Baker River near ...... 82-83 Pesticides, definition of ...... 37 Run, definition of ...... 38 Peterborough, NH, Runoff, definition of ...... 38 Contoocook River at ...... 94-95 S Nubanusit Brook below Edward MacDowell dam near Conway, NH ...... 54 near ...... 275 Salinity, definition of ...... 38 Nubanusit Brook near ...... 284 Salmon Falls River at Milton, NH ...... 58-59 pH, definition of ...... 37 at Saxtons River, VT ...... 158-159 Pherrins River Tributary near Island Pond, VT ...... 281 Saxtons River, VT, Saxtons River at ...... 158-159 Phytoplankton, definition of ...... 37 Screened interval, definition of ...... 35 Picocurie, definition of ...... 37 Sea level, definition of ...... 38 Pike River at East Franklin, near Enosburg Falls, Sediment, definition of ...... 39 VT ...... 227-228 Sensible heat flux, definition of ...... 39 Piscataquog River, Seven-day, 10-year low flow, definition of ...... 39 below Everett Dam near East Weare, NH . . . . 275, 285 Shelburne Falls, VT, LaPlatte River at ...... 191-192 near Goffstown, NH ...... 276, 285 Shelburne, NH, ground-water levels in ...... 245 Pittsburg, NH, Connecticut River below Indian Stream, Sheldon Junction, VT, Missisquoi River Tributary at . . 281 near ...... 110-111 Shelves, definition of ...... 39 Pittsford, VT, ground-water levels in ...... 270 Sleepers River (site W-5) near St. Johnsbury, VT . 127-128 Plankton, definition of ...... 37 Smith River near Bristol, NH ...... 86-87 Plymouth, NH, Pemigewasset River at ...... 84-85 Sodium adsorption ratio, definition of ...... 39 Polychlorinated biphenyls, definition of ...... 37 Soil heat flux, definition of ...... 39 Polychlorinated naphthalenes, definition of ...... 37 Soil-water content, definition of ...... 39 Pool, definition of ...... 37 Soucook River at Pembroke Road near Concord, Pope Brook (site W-3) near North Danville, VT . . 125-126 NH ...... 100-101 Portsmouth, NH, at Greenland, near 74-75 Souhegan River at Merrimack, NH ...... 104-105 Potash Brook at Queen City Park Road near South Shaftsbury, VT, Paran Creek near ...... 279 Burlington, VT ...... 193-194 South Tamworth, NH, Bearcamp River at ...... 56-57 Poultney River below Fair Haven, VT ...... 177-178 Specific electrical conductance (conductivity), 298 INDEX—Continued

definition of ...... 39 T Spicket River, Taxa (Species) richness, definition of ...... 40 at North Salem, NH ...... 108-109 Taxonomy, definition of ...... 40 near Methuen, MA ...... 276, 285 Thalweg, definition of ...... 41 St. Johnsbury, VT, Sleepers River (site W-5) near 127-128 Thermograph, definition of ...... 41 St. Lawrence River Basin, Third Branch White River Tributary at Randolph, VT . 277 maximum discharge at crest-stage partial-record Tilton, NH, at ...... 90-91 stations ...... 279-281 Time-weighted average, definition of ...... 41 Bailey Brook at East Hardwick, VT ...... 280 Tons per acre-foot, definition of ...... 41 Brandy Brook at Bread Loaf, VT ...... 279 Tons per day, definition of ...... 41 Brownington Branch near Evansville, VT ...... 281 Total, definition of ...... 41 Bryant Brook at Waterbury Center, VT ...... 280 Total coliform bacteria, definition of ...... 41 Lewis Creek Tributary at Starksboro, VT ...... 279 Total discharge, definition of ...... 41 Little Otter Creek Tributary near Bristol, VT . . . . . 279 Total in bottom material, definition of ...... 41 Lord Brook near Evansville, VT ...... 281 Total length, definition of ...... 41 Missisquoi River Tributary at Sheldon Junction, Total load, definition of ...... 41-42 VT ...... 281 Total organism count, definition of ...... 41 Pherrins River Tributary near Island Pond, VT . . . 281 Total recoverable, definition of ...... 41 Poultney River Tributary at East Poultney, VT . . . 279 Total sediment discharge, definition of ...... 42 Stony Brook near Eden, VT ...... 280 Total sediment load, definition of ...... 42 Sunny Brook near Montpelier, VT ...... 280 Townshend, VT, West River below Townshend Dam Whittaker Brook at Richford, VT ...... 280 near ...... 278, 286 Winooski River Tributary near Richmond, VT . . . 280 Transect, definition of ...... 42 Stable isotope ratio, definition of ...... 39 Turbidity, definition of ...... 42 Stage, definition of ...... 39 U Stage-discharge relation, definition of ...... 39 Ultraviolet (UV) absorbance (absorption), definition of . 43 Starksboro, VT, Lewis Creek Tributary at ...... 279 Unconfined aquifer, definition of ...... 43 Stony Brook near Eden, VT ...... 280 Unfiltered, Stowe, VT, definition of ...... 43 Ranch Brook at Ranch Camp, near ...... 209-210 recoverable, definition of ...... 43 West Branch Little River above Bingham Falls Union Village, VT, Ompompanoosuc River at . . . 277, 285 near ...... 207-208 V Streamflow, Vernon, VT, Connecticut River Tributary near ...... 278 definition of ...... 39 Vertical datum, definition of ...... 43 explanation of ...... 4 Victory, VT, Moose River at ...... 122-123 Substrate, Volatile mass, definition of ...... 36 definition of ...... 39 Volatile organic compounds, definition of ...... 43 Artificial, definition of ...... 27 W Natural, definition of ...... 35 Waits River Tributary near West Topsham, VT ...... 277 Substrate embeddedness class, definition of ...... 39 Waitsfield, VT, ground-water levels in ...... 271 Sugar River at West Claremont, NH ...... 153-154 Walloomsac River near North Bennington, VT . . 173-174 Summary of hydrologic conditions, explanation of ...... 4 Warner River at Davisville, NH ...... 98-99 Sunny Brook near Montpelier, VT ...... 280 Warner, NH, ground-water levels in ...... 257 Surface area of a lake, definition of ...... 39 Water table, definition of ...... 43 Surficial bed material, definition of ...... 40 Water-table aquifer, definition of ...... 43 Surrogate, definition of ...... 40 Water year, definition of ...... 43 Suspended, definition of ...... 40 Waterbury Center, VT, Bryant Brook at ...... 280 Recoverable, definition of ...... 40 Waterbury Reservoir (head of Little River) near Total, definition of ...... 40 Waterbury, VT ...... 211-212 Suspended sediment, definition of ...... 40 Waterbury, VT, Suspended-sediment concentration, definition of ...... 40 Little River near ...... 213-214 Suspended-sediment discharge, definition of ...... 40 Waterbury Reservoir (head of Little River) Suspended-sediment load, definition of ...... 40 near ...... 211-212 Suspended solids, total residue at 105°C concentration, Watershed, definition of ...... 43 definition of ...... 40 WDR, definition of ...... 43 Swanton, VT, Missisquoi River at ...... 225-226 Webster, NH, Blackwater River near ...... 275, 285 Synoptic studies, definition of ...... 40 Weighted average, definition of ...... 43 INDEX—Continued 299

Weirs Beach, NH, Lake Winnipesaukee at ...... 88-89 Wet mass, definition of ...... 43 Wells River at Wells River, VT ...... 137-138 Wet weight, definition of ...... 43 Wells River, VT, Whetstone Brook Tributary near Marlboro, VT ...... 278 Connecticut River at ...... 134-135 White River at West Hartford, VT ...... 144-145 Wells River at ...... 137-138 Whittaker Brook at Richford, VT ...... 280 West Branch Little River above Bingham Falls near Williams River near Rockingham, VT ...... 156-157 Stowe, VT ...... 207-208 Winnicut River at Greenland, near Portsmouth, NH . 74-75 West Bridgewater, VT, Ottauquechee River near . 149-150 Winnipesaukee River at Tilton, NH ...... 90-91 West Claremont, NH, Sugar River at ...... 153-154 Winooski River, West Fairlee, VT, ground-water levels in ...... 268 at Montpelier, VT ...... 201-202 West Hartford, VT, White River at ...... 144-145 near Essex Junction, VT ...... 215-216 West Hopkinton, NH, Contoocook River below Winooski River Basin above Montpelier, VT, Hopkinton Dam, at ...... 96-97 reservoirs in ...... 197 West Lebanon, NH, Connecticut River at ...... 147-148 Winooski River Tributary near Richmond, VT ...... 280 West River, Woodstock, NH, Pemigewasset River at ...... 80-81 at Jamaica, VT ...... 163-164 Wrightsville Detention Reservoir at Wrightsville, VT . 197 below Townshend Dam near Townshend, Wrightsville, VT, North Branch Winooski River at 199-200 VT ...... 278, 286 WSP, definition of ...... 43 West River Tributary near Jamaica, VT ...... 278 Z West Swanzey, NH, Ashuelot River at ...... 169-170 Zooplankton, definition of ...... 43 West Topsham, VT, Waits River Tributary near ...... 277