Mercer County, New Jersey — public water systems
97 active public water systems serve Mercer County, reporting 324K people served.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
97
Population served
324K
Community systems
11
Groundwater share
95.9%
Water systems in Mercer County
| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Trenton Water Works | Mercer | 217,000 | Community | Surface water |
| 2 | Aqua Nj - Hamilton Square | Mercer | 39,128 | Community | Purchased surface water |
| 3 | East Windsor Mua | Mercer | 25,000 | Community | Groundwater |
| 4 | Aqua Nj - Lawrence | Mercer | 8,655 | Community | Groundwater under influence of surface water |
| 5 | Hightstown Water Department | Mercer | 5,400 | Community | Groundwater |
| 6 | Pennington Shop-Rite | Mercer | 3,663 | Non-transient non-community | Groundwater |
| 7 | Pennington W Dept | Mercer | 2,600 | Community | Groundwater |
| 8 | Hopewell Boro W Dept | Mercer | 2,035 | Community | Purchased surface water |
| 9 | Bent Iron Brewery | Mercer | 1,201 | Transient non-community | Groundwater |
| 10 | Lawrenceville School | Mercer | 1,200 | Community | Groundwater |
| 11 | Terhune Orchards | Mercer | 1,025 | Non-transient non-community | Groundwater |
| 12 | Corner Stone Court | Mercer | 940 | Non-transient non-community | Groundwater |
| 13 | Timberlane Middle School | Mercer | 901 | Non-transient non-community | Groundwater |
| 14 | Mercer County Correctional Center | Mercer | 860 | Community | Groundwater |
| 15 | Stacys Cream King | Mercer | 800 | Transient non-community | Groundwater |
| 16 | Washington Crossing Sp-Interpretive Ctr | Mercer | 720 | Transient non-community | Groundwater |
| 17 | Washington Cross Sp Green Grove Pic Area | Mercer | 720 | Transient non-community | Groundwater |
| 18 | Washington Crossing State Pk Stone Barn | Mercer | 720 | Transient non-community | Groundwater |
| 19 | Washington Crossing Sp Visitors Center | Mercer | 720 | Transient non-community | Groundwater |
| 20 | Washington Crossing State Pk Day Use Trl | Mercer | 720 | Transient non-community | Groundwater |
| 21 | Washington Crossing Sp Knox Grove | Mercer | 720 | Transient non-community | Groundwater |
| 22 | The Pennington School | Mercer | 565 | Non-transient non-community | Groundwater |
| 23 | Bear Tavern School | Mercer | 555 | Non-transient non-community | Groundwater |
| 24 | Hopewell Valley Golf Clu | Mercer | 548 | Transient non-community | Groundwater |
| 25 | Hamilton Ymca at Sawmill Road | Mercer | 498 | Transient non-community | Groundwater |
| 26 | Wildflowers | Mercer | 362 | Transient non-community | Groundwater |
| 27 | Washington Crossing Park Estates | Mercer | 356 | Community | Groundwater |
| 28 | Princeton Community Church | Mercer | 305 | Transient non-community | Groundwater |
| 29 | Robbinsville Twp - Newtown Village | Mercer | 300 | Community | Purchased surface water |
| 30 | Unitarian Universalist C | Mercer | 271 | Transient non-community | Groundwater |
| 31 | Tree Farm Village | Mercer | 230 | Non-transient non-community | Groundwater |
| 32 | Pennington Cleaners | Mercer | 215 | Transient non-community | Groundwater |
| 33 | Golden Nugget Antique Flea Mkt | Mercer | 205 | Transient non-community | Groundwater |
| 34 | Little League of Hopewell Twp | Mercer | 200 | Transient non-community | Groundwater |
| 35 | Princeton Rd Professiona | Mercer | 165 | Transient non-community | Groundwater |
| 36 | Professor'S Hard Cider | Mercer | 162 | Transient non-community | Groundwater |
| 37 | Goddard School - West Windsor | Mercer | 155 | Non-transient non-community | Groundwater |
| 38 | The Watershed Institute | Mercer | 152 | Non-transient non-community | Groundwater |
| 39 | Kooltronic Inc. | Mercer | 140 | Non-transient non-community | Groundwater |
| 40 | Titusville Marketplace | Mercer | 135 | Transient non-community | Groundwater |
| 41 | Pennington Montessori School | Mercer | 133 | Non-transient non-community | Groundwater |
| 42 | Offices at Pennington Point | Mercer | 125 | Non-transient non-community | Groundwater |
| 43 | Saint Peter Lutheran Church | Mercer | 125 | Non-transient non-community | Groundwater |
| 44 | Its Nutts | Mercer | 120 | Transient non-community | Groundwater |
| 45 | Titusville Academy Princeton | Mercer | 116 | Non-transient non-community | Groundwater |
| 46 | Patriots Crossing Restaurant | Mercer | 112 | Transient non-community | Groundwater |
| 47 | Princeton Child Developmnt Ins | Mercer | 110 | Non-transient non-community | Groundwater |
| 48 | Marcos Pizza | Mercer | 104 | Transient non-community | Groundwater |
| 49 | Hillbilly Hall, Inc.. | Mercer | 104 | Transient non-community | Groundwater |
| 50 | St George R C Church | Mercer | 100 | Transient non-community | Groundwater |