EPA often omits served ZIP codes for large utilities. These systems are tied to Newton Upper Falls, Massachusetts based on this ZIP code's city or county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|
| Cambridge Water Department |
118,214 |
Surface Water |
78 |
0 |
| Lowell Regional Water Utility |
115,000 |
Surface Water |
11 |
7 |
| Newton Water Dept. (Mwra) |
88,415 |
Surface Water Purchased |
8 |
4 |
| Somerville Water Dept. (Mwra) |
81,045 |
Surface Water Purchased |
7 |
6 |
| Framingham Water Dept. (Mwra) |
72,362 |
Surface Water Purchased |
3 |
3 |
| Malden Water Division (Mwra) |
66,263 |
Surface Water Purchased |
10 |
7 |
| Waltham Water Department |
65,218 |
Surface Water Purchased |
6 |
5 |
| Medford Water Dept. (Mwra) |
61,700 |
Surface Water Purchased |
11 |
8 |
| Everett Water Dept. (Mwra) |
49,075 |
Surface Water Purchased |
7 |
6 |
| Arlington Water Dept. (Mwra) |
46,308 |
Surface Water Purchased |
7 |
3 |
| Billerica Water Works |
42,119 |
Surface Water |
7 |
7 |
| Marlborough Dpw Water Div. (Mwra) |
41,799 |
Surface Water Purchased |
8 |
0 |
| Woburn Water Dept. |
40,876 |
Surface Water Purchased |
6 |
3 |
| Natick Water and Sewer Division |
37,006 |
Groundwater |
2 |
0 |
| Watertown Water Dept. (Mwra) |
35,329 |
Surface Water Purchased |
5 |
4 |
| Lexington Water Dept. (Mwra) |
34,074 |
Surface Water Purchased |
5 |
4 |
| Tewksbury Water Department |
31,342 |
Surface Water |
5 |
4 |
| Melrose Water Division (Mwra) |
29,357 |
Surface Water Purchased |
9 |
9 |
| Chelmsford Water District |
28,750 |
Groundwater |
1 |
0 |
| Reading Water Department (Mwra) |
27,358 |
Surface Water Purchased |
7 |
3 |
| Belmont Water Dept. (Mwra) |
27,295 |
Surface Water Purchased |
5 |
4 |
| Wakefield Water Dept |
27,090 |
Surface Water |
6 |
5 |
| Burlington Water Dept |
26,680 |
Surface Water |
18 |
0 |
| Dracut Water Supply District |
25,789 |
Surface Water Purchased |
1 |
0 |
| Stoneham Water Dept (Mwra Supply) |
23,244 |
Surface Water Purchased |
8 |
7 |
| Winchester Water Dept |
22,970 |
Surface Water |
2 |
0 |
| Wilmington Water Dept |
22,481 |
Surface Water Purchased |
6 |
5 |
| Acton Water Supply District |
20,780 |
Groundwater Under Influence |
50 |
0 |
| Hudson Water Supply |
20,032 |
Surface Water |
366 |
0 |
| Ashland Water and Sewer Dept. |
18,832 |
Groundwater |
5 |
2 |
| Concord Water Dept |
18,788 |
Surface Water |
7 |
5 |
| Westford Water Department |
18,680 |
Groundwater Under Influence |
5 |
0 |
| Sudbury Water District |
18,416 |
Groundwater |
6 |
0 |
| North Reading Water Dept. |
16,054 |
Surface Water Purchased |
11 |
9 |
| Holliston Water Department |
15,713 |
Groundwater |
231 |
12 |
| Bedford Water Dept. |
14,394 |
Surface Water Purchased |
7 |
0 |
| Wayland Water Department |
13,196 |
Groundwater |
4 |
1 |
| Hopkinton Water Department |
12,586 |
Groundwater |
2 |
0 |
| Weston Water Dept. |
11,941 |
Surface Water Purchased |
6 |
6 |
| Hanscom Afb |
11,789 |
Surface Water Purchased |
7 |
2 |
| Maynard Dpw, Water Division |
10,401 |
Groundwater |
30 |
12 |
| Kenwood Water District |
9,620 |
Surface Water Purchased |
8 |
0 |
| Littleton Water Department |
9,611 |
Groundwater |
7 |
0 |
| Pepperell Dpw Water Division |
9,217 |
Groundwater |
155 |
2 |
| Ayer Dpw Water Division |
8,479 |
Groundwater |
12 |
0 |
| North Chelmsford Water Dist |
7,498 |
Groundwater |
2 |
0 |
| Devens Massdevelopment |
6,500 |
Groundwater |
4 |
1 |
| Townsend Water Department |
6,500 |
Groundwater |
25 |
0 |
| Lincoln Water Dept |
5,593 |
Surface Water |
5 |
2 |
| Groton Water Department |
5,456 |
Groundwater |
2 |
0 |
| Tyngsborough Water District |
4,382 |
Surface Water Purchased |
14 |
0 |
| Shirley Water District |
4,121 |
Groundwater |
13 |
0 |
| Mci Shirley |
3,500 |
Groundwater |
5 |
2 |
| Hanscom Family Housing (Landings) |
3,067 |
Surface Water Purchased |
1 |
0 |
| East Chelmsford Water District |
2,800 |
Surface Water Purchased |
50 |
0 |
| Tewksbury Hospital |
2,500 |
Groundwater |
8 |
0 |
| West Groton Water Supply District |
1,853 |
Groundwater |
1 |
0 |
| Applewood Community Corporation |
500 |
Groundwater |
3 |
0 |
| Paddock Estates |
463 |
Groundwater |
35 |
0 |
| Brook Village Condominium |
400 |
Groundwater |
9 |
0 |
| Codman Hill Condominium |
360 |
Groundwater |
2 |
0 |
| Harvard Ridge Condominium |
350 |
Groundwater |
11 |
2 |
| Dunstable Water Department |
337 |
Groundwater |
10 |
0 |
| Villages at Stow |
300 |
Groundwater |
120 |
0 |
| Juniper Hill Water Company |
220 |
Groundwater |
0 |
0 |
| Bedford VA Hospital (Rogers Mem. Hosp.) |
177 |
Surface Water Purchased |
0 |
0 |
| Pilot Grove Apartments |
175 |
Groundwater |
9 |
0 |
| River Crossing Condominium |
150 |
Groundwater |
2 |
0 |
| Pilot Grove Apartments II |
134 |
Groundwater |
2 |
0 |
| Regency at Stow Condominiums |
132 |
Groundwater |
4 |
4 |
| Arbor Glen Condominiums |
132 |
Groundwater |
2 |
0 |
| Woodland Ridge |
125 |
Groundwater |
4 |
0 |
| Colony Heights Condominium |
120 |
Groundwater |
6 |
1 |
| Fields at Sherborn Condo Trust |
110 |
Groundwater |
2 |
0 |
| The Village at Shepley Hill |
104 |
Groundwater |
0 |
0 |
| Enclave at Boxborough |
100 |
Groundwater |
9 |
0 |
| Deerfield Estates |
100 |
Groundwater |
2 |
0 |
| Estates at Highland Ridge |
100 |
Groundwater |
1 |
0 |
| Curtis Hill Condominium |
96 |
Groundwater |
6 |
0 |
| Pine Hill Condominium |
95 |
Groundwater |
12 |
1 |
| The Meeting House @ Stow Condo |
92 |
Groundwater |
1 |
0 |
| The Preserve at Hopkinton Condo |
80 |
Groundwater |
6 |
2 |
| Liberty House Condominium |
80 |
Groundwater |
5 |
1 |
| Carriage House Condominium |
68 |
Groundwater |
4 |
0 |
| Benchmark Condominiums |
60 |
Groundwater |
4 |
1 |
| Haystack Estates |
60 |
Groundwater |
4 |
0 |
| Maillet Woods Condominiums |
55 |
Groundwater |
2 |
0 |
| Elizabeth Brook Apartments |
54 |
Groundwater |
5 |
1 |
| Woodward Village |
54 |
Groundwater |
0 |
0 |
| Still Meadow Village Condominiums |
50 |
Groundwater |
2 |
0 |
| Village at Highland Park |
50 |
Groundwater |
2 |
0 |
| Benfield Farms |
50 |
Groundwater |
0 |
0 |
| Centre Village Apartments |
36 |
Groundwater |
8 |
0 |
| Garrison Place |
32 |
Groundwater |
0 |
0 |
| Woodhaven Elder Housing Committee |
30 |
Groundwater |
0 |
0 |
| Leland Farms |
25 |
Groundwater |
2 |
0 |
| Campanelli Development |
1,200 |
Groundwater |
0 |
0 |
| Emerson Hospital |
1,200 |
Surface Water Purchased |
0 |
0 |
| Groton Dunstable Reg. H.S. |
940 |
Groundwater |
5 |
0 |
| Carlisle Public School |
725 |
Groundwater |
2 |
0 |
| Metrowest Ymca |
700 |
Groundwater |
16 |
0 |
| Stow Center School |
644 |
Groundwater |
5 |
0 |
| Boxborough Municipal Buildings |
600 |
Groundwater |
2 |
0 |
| Boxborough Regency |
500 |
Groundwater |
4 |
1 |
| Pine Hill Elementary School |
480 |
Groundwater |
0 |
0 |
| Minuteman Airfield |
400 |
Groundwater |
0 |
0 |
| Rocky Mt. Spring Water Co., Inc. (Vnd) |
400 |
Groundwater Purchased |
0 |
0 |
| Hale Middle School |
321 |
Groundwater |
1 |
1 |
| Stow Acres Country Club |
310 |
Groundwater |
15 |
1 |
| Dcr Great Brook Farm State Park |
300 |
Groundwater |
1 |
0 |
| The Water Store of Medford (Vnd) |
300 |
Surface Water Purchased |
0 |
0 |
| 159 Swanson Rd Setra Systems Inc |
278 |
Groundwater |
8 |
2 |
| The Water Store of Malden (Vnd) |
250 |
Surface Water Purchased |
0 |
0 |
| The Water Store of Wilmington (Vnd) |
250 |
Surface Water Purchased |
0 |
0 |
| Ashby Elementary School |
237 |
Groundwater |
3 |
0 |
| Collings Foundation Ahm |
200 |
Groundwater |
1 |
1 |
| New England Laborers Training Academy |
200 |
Groundwater |
9 |
0 |
| Native Plant Trust Inc. |
200 |
Groundwater |
3 |
0 |
| Camp Middlesex |
200 |
Groundwater |
2 |
0 |
| Anemotia Realty |
200 |
Groundwater |
0 |
0 |
| Hopkinton Country Club |
200 |
Groundwater |
0 |
0 |
| Rocky Mt.Sprg.Wtr @ Kappys Liq. Vnd |
200 |
Groundwater Purchased |
0 |
0 |
| Dcr Pearl Hill State Park |
193 |
Groundwater |
0 |
0 |
| Fireside Tavern Sherborn |
170 |
Groundwater |
0 |
0 |
| Ymca Camp Massapoag |
150 |
Groundwater |
7 |
1 |
| Stow Brook Gulf |
150 |
Groundwater |
7 |
0 |
| 330 Codman Hill Road |
150 |
Groundwater |
2 |
0 |
| Acton Indoor Tennis / Nashoba Sportmans |
150 |
Groundwater |
1 |
0 |
| Butternut Farm Golf Club |
150 |
Groundwater |
0 |
0 |
| Grotonwood Baptist Camp and Conf.Ctr. |
150 |
Groundwater |
0 |
0 |
| Kimball Bates Farm |
150 |
Groundwater |
0 |
0 |
| Kids A Lot (Daycare) |
145 |
Groundwater |
56 |
0 |
| Crossroads for Kids/Camp Lapham |
140 |
Groundwater |
4 |
0 |
| Carlisle Congregational Church |
140 |
Groundwater |
0 |
0 |
| Carbones Restaurant Inc. |
125 |
Groundwater |
11 |
0 |
| Cpi Radant Technologies, Inc |
110 |
Groundwater |
47 |
0 |
| 155 Swanson Rd Synqor |
100 |
Groundwater |
2 |
2 |
| The Rivers School |
100 |
Groundwater |
2 |
2 |
| Stow Shopping Center |
100 |
Groundwater |
4 |
1 |
| 60 and 70 Codman Hill Rd |
100 |
Groundwater |
24 |
0 |
| Tyngsboro Business Park Lot 1 |
100 |
Groundwater |
6 |
0 |
| United Church of Christ/Daycare |
100 |
Groundwater |
5 |
0 |
| Wedgewood Pines Country Club |
100 |
Groundwater |
5 |
0 |
| Honey Pot Hill Orchards |
100 |
Groundwater |
4 |
0 |
| Boxborough Commons (629 Mass Ave) |
100 |
Groundwater |
0 |
0 |
| Dcr Willard Brook State Forest |
100 |
Groundwater |
0 |
0 |
| Mass. Ave. Gulf |
100 |
Groundwater |
0 |
0 |
| Stow Lower Village/ Beef and Ale |
100 |
Groundwater |
0 |
0 |
| Bright Horizons Daycare |
90 |
Groundwater |
0 |
0 |
| Gleason Public Library |
80 |
Groundwater |
5 |
1 |
| First Religious Society |
80 |
Groundwater |
3 |
0 |
| 873 Main Street |
80 |
Groundwater |
0 |
0 |
| Assurance Technology Corp. |
75 |
Groundwater |
7 |
5 |
| Planet Gymnastics/All Seasons Tennis |
75 |
Groundwater |
1 |
1 |
| Sherborn Plaza |
75 |
Groundwater |
1 |
1 |
| Boxboro Green Plaza |
75 |
Groundwater |
0 |
0 |
| Carlisle Extended Day Program, Inc. |
70 |
Groundwater |
0 |
0 |
| Boxborough Executive Office Center |
60 |
Groundwater |
30 |
4 |
| 10.0 Academy / Gymnastics |
60 |
Groundwater |
1 |
1 |
| American Legion Post #247, Inc. |
60 |
Groundwater |
0 |
0 |
| Pines Campground |
60 |
Groundwater |
0 |
0 |
| The Childrens Garden Nursery School |
54 |
Groundwater |
4 |
0 |
| 1414 Mass Ave Boxborough |
50 |
Groundwater |
67 |
4 |
| Stow Fire and Community Center |
50 |
Groundwater |
7 |
0 |
| Deep Rock Spring (Vending) |
50 |
Groundwater |
2 |
0 |
| Butter Brook Crossing Golf Club |
50 |
Groundwater |
0 |
0 |
| Nashoba Valley Olympia Inc. |
50 |
Groundwater |
0 |
0 |
| Old Indian Spring @ Whiffle Tree (Vnd) |
50 |
Groundwater Under Influence |
0 |
0 |
| Phillips Heritage |
50 |
Groundwater |
0 |
0 |
| Primo Water @ Hannaford |
50 |
Groundwater Purchased |
0 |
0 |
| The Taylor School |
50 |
Groundwater |
0 |
0 |
| Spring Hill Wellness |
48 |
Groundwater |
4 |
2 |
| Piconics |
40 |
Groundwater |
10 |
0 |
| Mit Haystack Observatory |
40 |
Groundwater |
3 |
0 |
| 85 Swanson Rd LLC |
40 |
Groundwater |
1 |
0 |
| 1300 Mass Ave |
31 |
Groundwater |
3 |
0 |
| Unitarian Universalist Area Church |
31 |
Groundwater |
0 |
0 |
| Plaza @ Pondview Place LLC |
30 |
Groundwater |
29 |
0 |
| Business Park West Condominium Trust |
30 |
Groundwater |
24 |
0 |
| Stow Municipal Buildings |
30 |
Groundwater |
7 |
0 |
| Cosgrove Realty |
30 |
Groundwater |
4 |
0 |
| Carlisle Town Hall |
30 |
Groundwater |
0 |
0 |
| Heritage Farms Ice Cream |
30 |
Groundwater |
0 |
0 |
| Stow Industrial (Flb Incorporated) |
25 |
Groundwater |
21 |
1 |
| Ashby Legion/Grange/Church |
25 |
Groundwater |
15 |
0 |
| Bose Corporation |
25 |
Groundwater |
13 |
0 |
| Ferns Country Store |
25 |
Groundwater |
10 |
0 |
| Mit Millstone Laboratory |
25 |
Groundwater |
3 |
0 |
| Sherborn Town Offices; Police; Library |
25 |
Groundwater |
3 |
0 |
| Village Crossing |
25 |
Groundwater |
3 |
0 |
| Ashby Market |
25 |
Groundwater |
2 |
0 |
| Pilgrim Church |
25 |
Groundwater |
2 |
0 |
| Wee Forest Folk |
25 |
Groundwater |
2 |
0 |
| Fiske Property |
25 |
Groundwater |
0 |
0 |
| National Technical Systems |
25 |
Groundwater |
0 |
0 |
| Primo Water @ Hannaford Food |
25 |
Surface Water Purchased |
0 |
0 |
| Primo Water Vend @ Dracut |
25 |
Groundwater Purchased |
0 |
0 |
| Pura Vida @ New Englan Sports Accademy |
25 |
|
0 |
0 |
| Saint Irenes Church |
25 |
Groundwater |
0 |
0 |
| Sherborn Crossing |
25 |
Groundwater |
0 |
0 |
| Sherborn Market |
25 |
Groundwater |
0 |
0 |
| Stow House of Pizza |
25 |
Groundwater |
0 |
0 |
| Twinco Realty DBA Maxs Country Golf |
25 |
Groundwater |
0 |
0 |