EPA often omits served ZIP codes for large utilities. These systems are tied to West Barnstable, Massachusetts based on this ZIP code's city or county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|
| Falmouth Water Dept |
97,551 |
Surface Water |
9 |
6 |
| Dennis Water District |
65,000 |
Groundwater |
38 |
0 |
| Upper Cape Regional Water Cooperative |
56,250 |
Groundwater |
0 |
0 |
| Centerville Osterville Marstons Mills Wd |
50,000 |
Groundwater |
78 |
0 |
| Harwich Water Department |
39,144 |
Groundwater |
0 |
0 |
| Yarmouth Water Department |
38,900 |
Groundwater |
11 |
2 |
| Mashpee Water District |
36,922 |
Groundwater |
1 |
0 |
| Brewster Water Department |
35,000 |
Groundwater |
75 |
0 |
| Hyannis Water System, Town of Barnstable |
35,000 |
Groundwater |
4 |
0 |
| Chatham Water Department |
30,000 |
Groundwater |
1 |
0 |
| Sandwich Water District |
23,000 |
Groundwater |
1 |
0 |
| Bourne Water District |
22,500 |
Groundwater |
2 |
0 |
| Provincetown Water Department |
22,250 |
Groundwater |
1 |
1 |
| Orleans Water Department |
18,921 |
Groundwater |
76 |
0 |
| Buzzards Bay Water District |
7,700 |
Groundwater |
1 |
0 |
| Town of Eastham |
6,199 |
Groundwater |
0 |
0 |
| Otis Air National Guard Base |
6,000 |
Groundwater |
4 |
2 |
| Barnstable Fire District |
5,400 |
Groundwater |
1 |
0 |
| Cotuit Fire District Water Department |
4,938 |
Groundwater |
3 |
0 |
| North Sagamore Water District |
4,668 |
Groundwater |
0 |
0 |
| Wellfleet Municipal Water System |
750 |
Groundwater |
6 |
1 |
| Barnstable County Jail |
600 |
Groundwater Purchased |
5 |
0 |
| Sea Oaks Condominiums |
222 |
Groundwater |
1 |
1 |
| Pleasant Water |
200 |
Groundwater |
7 |
0 |
| Harborside Village |
165 |
Groundwater |
5 |
0 |
| Schooner Pass Trustees Condominiums |
136 |
Groundwater Purchased |
0 |
0 |
| Massasoit Hills Trailer Park |
120 |
Groundwater |
12 |
0 |
| Beechwood Point Condos |
112 |
Groundwater |
4 |
0 |
| Stones Throw Condos |
80 |
Groundwater |
8 |
0 |
| Wellfleet Apartments |
48 |
Groundwater |
3 |
0 |
| Camp Favorite |
1,250 |
Groundwater |
2 |
0 |
| Sweetwater Forest Inc |
1,000 |
Groundwater |
0 |
0 |
| 4100 Holdings LLC |
750 |
Groundwater |
4 |
0 |
| Adventure Bound Camping, Cape Cod |
660 |
Groundwater |
0 |
0 |
| Peters Pond Park |
633 |
Groundwater |
0 |
0 |
| Maurices Campground Inc |
600 |
Groundwater |
0 |
0 |
| Amari Bar and Ristorante |
500 |
Groundwater |
1 |
0 |
| Spring Brook Center, Inc. |
500 |
Groundwater |
0 |
0 |
| Wellfleet Commerce Center, LLC |
500 |
Groundwater |
0 |
0 |
| Ccns Marconi Area |
499 |
Groundwater |
5 |
1 |
| Ccns Nauset Light Beach |
495 |
Groundwater |
6 |
2 |
| Ccns Coast Guard Station |
495 |
Groundwater |
0 |
0 |
| Ccns Highland Area (Truro) |
495 |
Groundwater |
0 |
0 |
| Ccns Truro Pilgrim Heights |
490 |
Groundwater |
0 |
0 |
| Adventure Bound Camping, Cc @ Hortons |
438 |
Groundwater |
0 |
0 |
| North of Highland Camping Area, LLC |
415 |
Groundwater |
0 |
0 |
| Chequessett Yacht Country Club |
350 |
Groundwater |
0 |
0 |
| Ccns Doane Rock Picnic Area |
320 |
Groundwater |
0 |
0 |
| Blackfish Variety |
300 |
Groundwater |
0 |
0 |
| Gull Pond Beach |
300 |
Groundwater |
0 |
0 |
| Maguire Landing Beach |
300 |
Groundwater |
0 |
0 |
| Newcomb Hollow Beach |
300 |
Groundwater |
0 |
0 |
| The Wellfleet Beachcomber |
300 |
Groundwater |
0 |
0 |
| White Crest Beach |
300 |
Groundwater |
0 |
0 |
| Block and Tackle |
250 |
Groundwater |
10 |
1 |
| The Lobster and Chowder House |
250 |
Groundwater |
6 |
1 |
| Sheraton Four Points |
250 |
Groundwater |
4 |
0 |
| Holly Ridge Golf Club |
250 |
Groundwater |
0 |
0 |
| P.B. Boulangerie Bistro |
250 |
Groundwater |
0 |
0 |
| Van Rensselaers |
250 |
Groundwater |
0 |
0 |
| Cape Cod Country Club |
210 |
Groundwater |
0 |
0 |
| Our Lady of Lourdes Church |
200 |
Groundwater |
4 |
0 |
| Sea Mist Resort |
200 |
Groundwater |
2 |
0 |
| Arnolds Restaurant |
200 |
Groundwater |
0 |
0 |
| Ccns Head of Meadow Beach |
200 |
Groundwater |
0 |
0 |
| Town Center Shopping Plaza |
200 |
Groundwater |
0 |
0 |
| Winslow Tavern |
185 |
Groundwater |
32 |
1 |
| Cshore |
175 |
Groundwater |
6 |
0 |
| Wellfleet Bay Wildlife Sanctuary |
173 |
Groundwater |
0 |
0 |
| Blue Dolphin Inn |
170 |
Groundwater |
0 |
0 |
| Wicked Oyster Restaurant |
170 |
Groundwater |
0 |
0 |
| Dcr Wellfleet Hollow Campground |
155 |
Groundwater |
0 |
0 |
| Starfish Vacation Village |
150 |
Groundwater |
0 |
0 |
| Wellfleet Lodge |
150 |
Groundwater |
0 |
0 |
| Cape Cod Space Force Station |
130 |
Groundwater |
0 |
0 |
| Pleasant Bay Village Motel |
130 |
Groundwater |
0 |
0 |
| Bagel Hound Inc |
125 |
Groundwater |
14 |
0 |
| Drummer Cove Cottages |
125 |
Groundwater |
4 |
0 |
| Camp Mitton |
125 |
Groundwater |
0 |
0 |
| Cape Commerce Nominee Trust |
125 |
Groundwater |
0 |
0 |
| Hog Island Surf Lodge and Beer Yard |
125 |
Groundwater |
0 |
0 |
| The Box Lunch |
125 |
Groundwater |
0 |
0 |
| Dunroamin Campground and Cottage Colony |
120 |
Groundwater |
4 |
0 |
| Eventide Motel and Cottages |
120 |
Groundwater |
2 |
0 |
| The Copper Swan |
115 |
Groundwater |
63 |
0 |
| Deck II Condos |
112 |
Groundwater |
0 |
0 |
| Captains Quarters Motel and Conf. Ctr. |
101 |
Groundwater |
0 |
0 |
| Moby Dicks Restaurant |
100 |
Groundwater |
17 |
0 |
| Flying Fish Cafe and Deli |
100 |
Groundwater |
0 |
0 |
| Montanos Restaurant |
100 |
Groundwater |
0 |
0 |
| Whitman House Condominium Association |
100 |
Groundwater |
0 |
0 |
| Surf Side Condominium Trust |
90 |
Groundwater |
0 |
0 |
| Blackfish Restaurant |
83 |
Groundwater |
0 |
0 |
| Dune Crest Hotel Inc |
80 |
Groundwater |
1 |
0 |
| Wellfleet Motel |
80 |
Groundwater |
0 |
0 |
| Chequessett Village Cottages |
76 |
Groundwater |
0 |
0 |
| The Truro Center Condominium |
75 |
Groundwater |
0 |
0 |
| Wellfleet Market Place |
75 |
Groundwater |
0 |
0 |
| Cape View Motel |
70 |
Groundwater |
0 |
0 |
| Roseville Condominiums |
70 |
Groundwater |
0 |
0 |
| Truro Town Hall |
70 |
Groundwater |
0 |
0 |
| Endless Coast Hotel |
64 |
Groundwater |
6 |
1 |
| Saltbox Cottages Condominium |
50 |
Groundwater |
0 |
0 |
| Sandy Terraces Associates |
50 |
Groundwater |
0 |
0 |
| Corn Hill Condominiums |
45 |
Groundwater |
0 |
0 |
| Ccns Truro Need Amer.Youth Hostel |
40 |
Groundwater |
1 |
0 |
| Whale Walk Inn |
40 |
Groundwater |
0 |
0 |
| Pilgrim Acres Condo Association |
36 |
Groundwater |
0 |
0 |
| Seaman Cottages LLC |
36 |
Groundwater |
0 |
0 |
| Salt Air Cottages |
35 |
Groundwater |
0 |
0 |
| Gibson Cottages |
34 |
Groundwater |
0 |
0 |
| Ocean Pines Condominiums |
30 |
Groundwater |
1 |
0 |
| Southfleet Motor Inn |
30 |
Groundwater |
0 |
0 |
| Drummer Boy Condominiums |
25 |
Groundwater |
2 |
2 |
| Hiawatha Condominiums |
25 |
Groundwater |
1 |
1 |
| Bobs Sub and Cone |
25 |
Groundwater |
48 |
0 |
| Little Pamet Condominium |
25 |
Groundwater |
10 |
0 |
| Brownies Cabins |
25 |
Groundwater |
2 |
0 |
| Sandwich Town Hall Spring |
25 |
Groundwater |
0 |
0 |
| Sladeville Cottages Inc. |
25 |
Groundwater |
0 |
0 |