These are preliminary results for sites sampled on April 11, 2010; some values may change or may be added or deleted as the data quality assessment continues. If these data are distributed to others, please be sure to indicate their preliminary nature. For comprehensive results going back to 1983, please go to our searchable database.
The water bodies are listed alphabetically by water body name.
Alkalinity is reported in mg/L as CaCO3.
| Name | Palsite | Town | pH | Alkalinity |
|---|---|---|---|---|
| Aldrich Brook | 5131425 | Millville | 6.31 | 4.22 |
| Angeline Brook | 9560000 | Westport | 5.48 | 0.7 |
| Anthony Brook | 2105425 | Dalton | 6.76 | 5.1 |
| Ashby Reservoir | 81001 | Ashby | 6.64 | 3.2 |
| Atherton Brook | 3626700 | Shutesbury | 6.10 | 0.7 |
| Babcock Brook | 3107625 | Tolland | 6.16 | 4.3 |
| Bagg Brook | 3417750 | West Springfield | 8.1 | 79.5 |
| Bailey Brook | 3523925 | Gardner | 6.08 | 3.7 |
| Baker Brook | 3524050 | Gardner | 5.64 | 1.6 |
| Bartlett Pond Brook | 8146000 | LeomiNSter | 5.61 | 0.5 |
| Barton Brook | 2105350 | Dalton | 7.72 | 44.9 |
| Bassett Brook | 6236100 | Raynham | 6.05 | 3.4 |
| Beagle Club Pond | 371 | Dartmouth | 6.6 | 4.2 |
| Beaman Brook | 3523825 | Winchendon | 5.75 | 0.9 |
| Beaver Brook | 3627475 | Ware | 6.84 | 10.1 |
| Beaver Brook | 6235800 | Easton | 6.62 | 10.7 |
| Beaver Dam Brook | 9458025 | Plymouth | 6.35 | 8.3 |
| Beaverdam Brook | 6236250 | Middleborough | 4.71 | 0 |
| Benton Brook | 3107375 | Otis | 6.41 | 6.6 |
| Bilodeau Brook | 2105750 | HiNSdale | 7.16 | 22.5 |
| Bixby Brook | 8144075 | TowNSend | 6.55 | 4.1 |
| Black Brook | 3522675 | Warwick | 6.19 | 1.9 |
| Black Brook | 6237625 | Easton | 6.03 | 0.2 |
| Black Brook | 9253700 | Hamilton | 6.78 | 15.1 |
| Blossom Brook | 6134700 | Fall River | 4.52 | -1.8 |
| Bluefield Brook | 3524375 | Ashburnham | 4.67 | -1.5 |
| Boston Brook | 9253925 | Middleton | 6.91 | 16.6 |
| Boyce Brook | 3523400 | Royalston | 5.99 | 0.6 |
| Bozrah Brook | 3315325 | Hawley | 7.16 | 13.1 |
| Bread And Cheese Brook | 9560150 | Westport | 6.13 | 3 |
| Bull Brook | 9153000 | Ipswich | 6.59 | 12 |
| Bungay River | 5233750 | North Attleborough | 6.72 | 15.6 |
| Burnshirt River | 3628075 | Winchendon | 5.98 | 7.4 |
| Burrow Brook | 3627850 | Oakham | 6.15 | 1.28 |
| Cadwell Creek | 3626575 | Pelham | 5.99 | 8.6 |
| Cady Brook | 2105725 | Washington | 6.8 | 14 |
| Clear Run Brook | 5334150 | Seekonk | 7.58 | 75.9 |
| Clematis Brook | 7239175 | Waltham | 6.7 | 30.2 |
| Coal Mine Brook | 5132550 | Worcester | 7.61 | 33.3 |
| Cobble Mountain Reservoir | 32018 | Blandford | 6.58 | 3.8 |
| Cole River | 6134550 | SwaNSea | 6.72 | 11.3 |
| College Pond | 95030 | Plymouth | 6.47 | 2.6 |
| Cress Brook | 7240050 | Norfolk | 6.44 | 13.5 |
| Cronin Brook | 5132625 | Grafton | 6.89 | 8.1 |
| Crystal Lake | 36043 | Palmer | 5.61 | 4.2 |
| Dam Lot Brook | 6235925 | Raynham | 6.24 | 4.6 |
| Dean Brook | 3419600 | Shutesbury | 6.05 | 0.8 |
| Dix Brook | 7240225 | Franklin | 6.07 | 14 |
| Dorothy Brook | 5132700 | Worcester | 6.82 | 19.1 |
| Dry Brook | 2103800 | Sheffield | 7.54 | 110.5 |
| East Branch Swift River | 3627200 | Barre | 6.46 | 28 |
| East Oxbow Brook | 3314925 | Charlemont | 6.76 | 5.5 |
| Esther Brook | 3420100 | Whately | 7.44 | 20.2 |
| Ezekiel Pond | 95051 | Plymouth | 6.47 | 0.6 |
| Fall Brook | 6235375 | Raynham | 5.72 | 1.7 |
| Flat Brook | 3627500 | Ware | 6.51 | 80.4 |
| Fox Brook | 3106825 | Granville | 6.22 | 2 |
| French River | 4230075 | Oxford | 6.43 | 7.98 |
| Godfrey Brook | 7240375 | Milford | 7.18 | 23.8 |
| Great Pond | 96117 | Wellfleet | 5.105 | -0.2 |
| Greens Brook | 8143775 | Pepperell | 7.22 | 36.2 |
| Ground Brook | 3420000 | Whately | 7.67 | 30.3 |
| Gulf Brook | 8143675 | Pepperell | 7.13 | 9.35 |
| Hamilton Brook | 3210425 | Becket | 6.51 | 3 |
| Hartwell Brook | 3315075 | Charlemont | 7.54 | 21.3 |
| Hatches Creek | 9661525 | Eastham | 6.16 | 6.6 |
| Hawley Reservoir | 34031 | Pelham | 6.02 | 11.8 |
| Hedges Pond | 94065 | Plymouth | 5.99 | 1.2 |
| Hinsdale Brook | 3313175 | Shelburne | 7.92 | 52.7 |
| Hop Brook | 3627000 | New Salem | 6.70 | 4.4 |
| Ipswich River | 9253500 | Ipswich | 6.85 | 19.4 |
| James Brook | 8143925 | Groton | 7.03 | 50.8 |
| Kenny Brook | 3523750 | Royalston | 6.11 | 1.3 |
| Kickamuit River | 6134500 | SwaNSea | 6.49 | 6 |
| Kidder Brook | 3421725 | Warwick | 6.67 | 2.5 |
| Kilburn Brook | 2105700 | Peru | 6.94 | 7.9 |
| Kimball Brook | 9253625 | Ipswich | 7 | 19.8 |
| King Phillip Brook | 6134725 | Fall River | 4.5 | -1.8 |
| Kinnacum Pond | 96163 | Wellfleet | 4.82 | -0.8 |
| Kinsman Brook | 3314450 | Heath | 7.26 | 12.5 |
| Lake Lorraine | 36084 | Springfield | 6.88 | 7.7 |
| Lake Wyola | 34103 | Shutesbury | 6.15 | 1.2 |
| Laurel Brook | 5131775 | Douglas | 5.91 | 3.1 |
| Little River | 3208725 | Westfield | 6.79 | 4.7 |
| Little Sandy Pond | 95092 | Plymouth | 6.08 | 2.4 |
| Lord Brook | 3316550 | Rowe | 7.08 | 4.6 |
| Mahoney Brook | 3524075 | Gardner | 5.6 | 0.5 |
| Martins Pond Brook | 8451825 | Groton | 6.98 | 30.25 |
| Maynard Brook | 3626475 | Oakham | 5.72 | 1.27 |
| McGovern Brook | 8144725 | Lancaster | 7.12 | 9.9 |
| Mill Brook | 2105100 | Washington | 7.37 | 20.6 |
| Mill River | 3419825 | Conway | 7.5 | 37.8 |
| Miller Brook | 7240075 | Franklin | 6.7 | 14.7 |
| Millham Brook | 8247475 | Marlborough | 7.05 | 22.6 |
| Monoosnuc Brook | 8144825 | Fitchburg | 6.81 | 6.7 |
| Moody Brook | 3107075 | Tolland | 6.03 | 4.5 |
| Moosehorn Brook | 3627050 | New Salem | 6.46 | 1.9 |
| Mulberry Meadow | 6235775 | Easton | 6.65 | 7 |
| Nipmuck Pond | 42039 | Webster | 5.66 | 0.57 |
| Noanet Brook | 7239550 | Dover | 6.22 | 7.8 |
| North River | 3314100 | Colrain | 7.49 | 23.7 |
| North Watuppa Lake | 61004 | Fall River | 4.89 | -1 |
| Ohio Brook | 5131350 | Mendon | 5.33 | 0.88 |
| Pond Brook | 3107575 | Granville | 6.66 | 3.1 |
| Poquanticut | 6235825 | Easton | 6.33 | 3.8 |
| Powissett Brook | 7239525 | Westwood | 5.93 | 2.5 |
| Quabbin Station 202 | 36129 | Belchertown | 6.63 | 2.65 |
| Rattlesnake Brook | 6235125 | Freetown | 4.64 | -1.8 |
| Ripley Brook | 3209275 | Granville | 5.59 | 1 |
| Robbins Brook | 3524250 | Winchendon | 5.37 | 0.7 |
| Robinson Brook | 8143825 | Pepperell | 7.48 | 22 |
| Rocky Run | 5334100 | Rehoboth | 7.5 | 74.1 |
| Round Meadow Brook | 5131275 | Mendon | 6.16 | 3 |
| Scott Brook | 3524175 | Holden | 5.91 | 1.5 |
| Scott Brook | 5133125 | Royalston | 5.68 | 0.3 |
| Sewall Brook | 5132600 | Boylston | 7.23 | -0.43 |
| Shingle Brook | 3313850 | Shelburne | 7.87 | 44.9 |
| Shingle Island Brook | 188 | Dartmouth | 5.35 | 0.8 |
| Silver Spring Brook | 9661500 | Wellfleet | 6.66 | 12.7 |
| Singletary Brook | 5132750 | Millbury | 7.28 | 10.4 |
| Sleepy Hollow Brook | 2104200 | Richmond | 8.05 | 158.4 |
| Snake River | 6235750 | Raynham | 6.1 | 4.8 |
| Soda Creek | 2103725 | Sheffield | 7.65 | 44.1 |
| South River | 3313650 | Ashfield | 7.66 | 34.7 |
| Spud Brook | 3524275 | Winchendon | 5.7 | 0.5 |
| Stafford Brook | 3313375 | Colrain | 7.87 | 54.8 |
| Stone Brook | 5132850 | Millbury | 7.19 | 20.5 |
| Stop River | 7239925 | Norfolk | 6.32 | 13.4 |
| Sucker Brook | 3625975 | New Braintree | 6.43 | 5.48 |
| Terry Brook | 6235150 | Freetown | 5 | -0.2 |
| Todd Brook | 3316050 | Charlemont | 7 | 2.7 |
| Torrey Creek | 5334075 | Seekonk | 6.33 | 11.4 |
| Towne Brook | 3524200 | Royalston | 5.62 | 0.2 |
| Trapfall Brook | 8144250 | Ashby | 6.95 | 3.8 |
| Underwood Brool | 3314650 | Heath | 7.23 | 6.3 |
| Upper Naukeag Lake | 35090 | Ashburnham | 5.51 | 0.3 |
| Valley Brook | 3107700 | Granville | 6.41 | 2.6 |
| Vincent Brook | 3314550 | Colrain | 7.39 | 14.4 |
| Wadsworth Brook | 5133150 | Holden | 5.74 | 0.7 |
| Walker Brook | 3210300 | Becket | 6.94 | 10.8 |
| Welch's Brook | 2105600 | Hinsdale | 6.98 | 12.8 |
| Wellington Brook | 4230325 | Oxford | 6.61 | 19.4 |
| West Branch Swift River | 3626800 | Shutesbury | NS | NS |
| West Branch Ware River | 3628175 | Hubbardston | 6.26 | 1.9 |
| Weweantic River | 9558900 | Carver | 6.01 | 3.6 |
| Whitehall Brook | 8248425 | Hopkinton | 6.19 | 8.6 |
| Whitehall Reservoir | 82120 | Hopkinton | 6.21 | 1.7 |
| Whitman River | 8145075 | Ashburnham | 6.32 | 2.3 |
| Wilder Brook | 3523950 | Gardner | 5.47 | 1 |
| Willard Brook | 8144175 | Ashby | 6.85 | 3.45 |
| Williams River | 2104100 | West Stockbridge | 8 | 128.2 |
| Wright Pond | 81160 | Ashby | 6.17 | 1.5 |