We found 104 public water systems in Rockland county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Suez Water New York | Clarkstown | 270,000 | 371 | 25 |
| Lake Welch + Sebago Beach W.s. | Stony Point | 15,000 | 0 | 8 |
| Nyack Village Water Supply | Clarkstown, Nyack, South Nyack | 14,700 | 28 | 4 |
| Suffern Village | Ramapo | 12,000 | 16 | 21 |
| Sebago Lake Ws | Stony Point | 6,180 | 0 | 8 |
| Bear Mountain Water Supply | Highlands, Stony Point, Woodbury | 3,564 | 0 | 32 |
| YESHIVA WASHINGTON AVE | New Square, Ramapo | 1,000 | 0 | 1 |
| Deer Mountain Day Camp | Haverstraw | 1,000 | 0 | 1 |
| Helen Hayes Hospital | Haverstraw | 970 | 0 | 0 |
| Ramapo Country Day Camp | Airmont, Ramapo | 950 | 0 | 0 |
| Hillburn Village | Ramapo | 950 | 0 | 1 |
| YESHIVA AVIR YAKOV GIRLS SCHOOL | New Square, Ramapo | 900 | 0 | 5 |
| YESHIVA MAIN STREET | New Square, Ramapo | 800 | 0 | 0 |
| Spook Rock Pool | Montebello, Ramapo | 800 | 0 | 0 |
| Camp Ramaquois | Haverstraw | 800 | 0 | 5 |
| United Talmudical Academy | Ramapo, Spring Valley | 800 | 0 | 0 |
| Ramah Day Camp | Clarkstown | 750 | 0 | 0 |
| Platzl Brauhaus | Haverstraw | 700 | 0 | 0 |
| Woodmont Day Camp | Clarkstown | 640 | 0 | 2 |
| Gate Hill Day Camp | Stony Point | 555 | 0 | 1 |
| Jawanio | Clarkstown | 550 | 0 | 0 |
| Parkway Mobile Homes | Haverstraw | 450 | 0 | 1 |
| St Dominics Home | Orangetown | 433 | 0 | 0 |
| YESHIVA AVIR YAKOV | New Square, Ramapo | 400 | 0 | 0 |
| Spook Rock Golf Course | Montebello, Ramapo | 375 | 0 | 2 |
| Reeves Meadow | Ramapo | 350 | 0 | 0 |
| Ricks Club American | Clarkstown | 300 | 0 | 1 |
| High-tor Properties | Haverstraw | 300 | 0 | 1 |
| Champion Day Camp | Clarkstown | 300 | 0 | 0 |
| Mount Fuji | Hillburn, Ramapo | 282 | 0 | 3 |
| Camp Regesh | Airmont, Ramapo | 265 | 0 | 0 |
| Hi Tor Ws | Stony Point | 250 | 0 | 1 |
| Breakneck Pond Ws | Stony Point | 250 | 0 | 0 |
| North Rockland Deli & Pizza | Haverstraw | 250 | 0 | 0 |
| West Nyack Swim Club | Clarkstown | 250 | 0 | 0 |
| Camp Bullowa | Stony Point | 227 | 0 | 1 |
| Mountainview Mobile Home Park | Stony Point | 225 | 0 | 2 |
| Naurashaun Swim Club | Orangetown | 200 | 0 | 2 |
| Sts Constantine & Helen Greek | Orangetown | 200 | 0 | 0 |
| Cong. Vayoal Moshe Satmar Of Monsey Inc. | Ramapo | 200 | 0 | 0 |
| Camp Merockdim | Pomona, Ramapo | 200 | 0 | 0 |
| Camp Scuffy | Airmont, Ramapo | 190 | 0 | 0 |
| Camp Addison Boyce | Stony Point | 185 | 0 | 3 |
| St Johns Church | Ramapo | 175 | 0 | 0 |
| Mount Ivy Enterprises | Haverstraw | 170 | 0 | 3 |
| Congregation Yisocher Berish | Ramapo | 150 | 0 | 1 |
| Stony Point Municipal Pool | Stony Point | 150 | 0 | 0 |
| Oak Tree La, Hav Ltd | Haverstraw | 140 | 0 | 0 |
| Garnerville Holding Company | Haverstraw, West Haverstraw | 125 | 0 | 0 |
| Bais Yaakov Chofetz Chaim | Ramapo | 125 | 0 | 0 |
| Hudson Valley Ddso | Stony Point | 120 | 0 | 0 |
| Playgarten | Clarkstown | 105 | 0 | 0 |
| Town & Country | Clarkstown | 100 | 0 | 0 |
| Unitarian Universalist Society | Pomona, Ramapo | 100 | 0 | 0 |
| Coptic Church | Stony Point | 100 | 0 | 0 |
| Rockland Country Club | Orangetown | 100 | 0 | 0 |
| Russian Orthodox Convent-home | Clarkstown | 100 | 0 | 0 |
| Summit Professional Building | Ramapo | 100 | 0 | 0 |
| Tolstoy Foundation | Clarkstown | 100 | 0 | 0 |
| Ohr Somayach | Ramapo | 100 | 0 | 0 |
| Congregation Beth Medrosh Chemed | County of Rockland | 100 | 0 | 0 |
| Lake Lucille Prop Owners Assoc | Clarkstown | 92 | 0 | 0 |
| Naurashaun Presbyterian Church | Orangetown | 80 | 0 | 0 |
| J&r Mobile Homes | Haverstraw | 75 | 0 | 0 |
| Citrus Grille | Ramapo | 75 | 0 | 0 |
| Hilltop House | Chestnut Ridge, Ramapo | 73 | 0 | 0 |
| Fountainhead Trailer Park | Haverstraw | 60 | 0 | 0 |
| Casa Del Mare | Clarkstown, Upper Nyack | 60 | 0 | 0 |
| YESHIVA OF GREATER MONSEY | Ramapo, Wesley Hills | 60 | 0 | 0 |
| Tilcon New York, Inc. - Main Office | Clarkstown | 60 | 0 | 0 |
| St Marys Villa | Ramapo | 55 | 0 | 0 |
| Mazza-leone Mobile Home Court | Haverstraw | 55 | 0 | 0 |
| Sheerans Restaurant | Stony Point | 50 | 0 | 0 |
| Pearl River Little League | Orangetown | 50 | 0 | 0 |
| Pomona Glen | Haverstraw | 50 | 0 | 0 |
| Sunrise Bungalows | Clarkstown | 50 | 0 | 0 |
| Torne Brook Farm | Ramapo | 50 | 0 | 0 |
| Jade Village | Chestnut Ridge, Ramapo | 50 | 0 | 0 |
| Don Bosco | County of Rockland | 50 | 0 | 0 |
| Simons Bungalows | Clarkstown | 50 | 0 | 0 |
| Kennellys Restaurant | Clarkstown | 50 | 0 | 0 |
| Truman Avenue Syn | Ramapo | 50 | 0 | 0 |
| Congregation Bobover Yeshiva | Ramapo | 40 | 0 | 0 |
| Mazza Trailer Park | Haverstraw | 35 | 0 | 0 |
| Toga Bike Shop | Upper Nyack | 30 | 0 | 0 |
| Pomona Country Club | Ramapo, Wesley Hills | 30 | 0 | 0 |
| Cejjes Institute | Pomona, Ramapo | 25 | 0 | 0 |
| J&j Dodge | Orangetown | 25 | 0 | 0 |
| Clark Recreation Center | Airmont, Ramapo | 25 | 0 | 0 |
| Orchards Of Concklin, The | Ramapo | 25 | 0 | 0 |
| Dr Davies Farm | Clarkstown | 25 | 0 | 0 |
| Anderson Field | Orangetown | 25 | 0 | 0 |
| Kearsing Edwards | Pomona, Ramapo | 25 | 0 | 0 |
| West Clarkstown Mini Mart | Clarkstown | 25 | 0 | 0 |
| 345 North Main Street | Clarkstown | 25 | 0 | 0 |
| New Square Fish Market | New Square, Ramapo | 25 | 0 | 0 |
| Sb-3 Camp Nawaka | Haverstraw | 25 | 0 | 0 |
| Matterhorn Nursery | Pomona, Ramapo | 25 | 0 | 0 |
| XTRAVAGANT TASTE | Clarkstown | 25 | 0 | 0 |
| Shulchan Meluchim Foods | New Square, Ramapo | 25 | 0 | 0 |
| Ashel Lane Apartments | Ramapo | 25 | 0 | 0 |
| Prospect Street Apartments, Sp. Valley | Ramapo | 22 | 0 | 0 |
| Bluebird Trailer Park | Haverstraw | 20 | 0 | 0 |
| Waldron Apartments | Stony Point | 10 | 0 | 0 |