Water quality for ZIP code 08540
ZIP 08540 covers Princeton, East Rocky Hill, Griggstown, Ten Mile Run, Heathcote, and Kingston in Mercer County, New Jersey, one of 22 ZIP codes in the county. 99 active public water systems serve the county; 69 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Mercer County
10 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Lawrenceville School Lawrence Twp |
1,200 | 2 | 6.0 mi | |
| Aqua NJ Lawrence Lawrence Twp |
8,655 | 3 | 6.4 mi | |
| Pennington W Dept Pennington Boro |
2,600 | 3 | 7.6 mi | |
| East Windsor Mua East Windsor Twp |
25,000 | 2 | 8.9 mi | |
| Hightstown Water Department Hightstown Boro |
5,400 | 0 | 9.6 mi | |
| Trenton Water Works Ewing Twp, Hamilton Twp, Hopewell Twp.1106- and 2 more |
217,000 | 8 | 9.6 mi | |
| Washington Crossing Park Estates Hopewell Twp.1106- |
356 | 4 | 10.5 mi | |
| Aqua NJ Hamilton Square Hamilton Twp |
39,128 | 4 | 10.6 mi | |
| Mercer County Correctional Center Hopewell Twp.1106- |
860 | 5 | 14.1 mi | |
| Robbinsville Twp Newtown Village Washington Twp |
300 | 2 | 32.3 mi |
Non-community systems in Mercer County (88: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Apple Montessori School Lawrence Twp |
35 | 3 | 1 | |
|
Terhune Orchards Lawrence Twp |
1,025 | 1 | 0 | |
|
Princeton Child Developmnt Ins Lawrence Twp |
110 | 1 | 0 | |
|
Princeton Technology Ctr Hopewell Twp.1106- |
80 | 1 | 1 | |
|
Rosedale Park Pump House 1 Hopewell Twp.1106- |
52 | 2 | 1 | |
|
The Watershed Institute Hopewell Twp.1106- |
26 | 2 | 1 | |
|
Music & Movement Center Hopewell Twp.1106- |
65 | 0 | 0 | |
|
Word Christian Fellowship Int Hopewell Twp.1106- |
91 | 0 | 0 | |
|
International Process Plants West Windsor Twp |
51 | 2 | 0 | |
|
The Watershed Institute Hopewell Twp.1106- |
152 | 3 | 0 | |
|
Princeton Windsor Office East Windsor Twp |
85 | 1 | 1 | |
|
Practice Square Offices East Windsor Twp |
72 | 1 | 0 | |
|
East Windsor Deli East Windsor Twp |
45 | 0 | 0 | |
|
Eden Autism Clayton Center West Windsor Twp |
60 | 8 | 2 | |
|
Hopewell Tennis and Swim Hopewell Twp.1106- |
75 | 1 | 1 | |
|
Zydus Pharmaceuticals Hopewell Twp.1106- |
65 | 3 | 0 | |
|
Pennington Office Park-A Hopewell Twp.1106- |
31 | 1 | 1 | |
|
Pennington Leasing LLC Pennington Boro |
44 | 1 | 1 | |
|
Shiva 1722 LLC Hopewell Twp.1106- |
26 | 2 | 1 | |
|
84 Hopewell LLC Hopewell Twp.1106- |
66 | 1 | 0 | |
|
Stacys Cream King Pennington Boro |
400 | 3 | 2 | |
|
Princeton RD Professiona East Windsor Twp |
165 | 0 | 0 | |
|
Offices at Pennington Point Hopewell Twp.1106- |
125 | 0 | 0 | |
|
Hillbilly Hall, Inc. Hopewell Twp.1106- |
104 | 2 | 1 | |
|
Goddard School West Windsor West Windsor Twp |
155 | 0 | 0 | |
|
Corner Stone Court Hopewell Twp.1106- |
940 | 1 | 0 | |
|
The Pennington School Pennington Boro |
565 | 1 | 0 | |
|
The Village Learning Center Hopewell Twp.1106- |
100 | 1 | 0 | |
|
Tree Farm Village Hopewell Twp.1106- |
230 | 1 | 0 | |
|
Wildflowers Hopewell Twp.1106- |
362 | 1 | 1 | |
|
Wilson & Apple Funeral Home Hopewell Twp.1106- |
32 | 0 | 0 | |
|
Pennington Montessori School Hopewell Twp.1106- |
133 | 1 | 0 | |
|
Marcos Pizza Hopewell Twp.1106- |
104 | 2 | 1 | |
|
Lukoil Station #57703 Hopewell Twp.1106- |
55 | 2 | 2 | |
|
Pennington Cleaners Hopewell Twp.1106- |
215 | 1 | 1 | |
|
Pennington Family Chiropractic PC Hopewell Twp.1106- |
44 | 2 | 1 | |
|
Greater Princeton Investments LLC Hopewell Twp.1106- |
25 | 1 | 0 | |
|
Mercer Professional Center @ Penn Hopewell Twp.1106- |
100 | 0 | 0 | |
|
Pennington Shop-Rite Hopewell Twp.1106- |
3,663 | 1 | 0 | |
|
Linluks LLC Hopewell Twp.1106- |
32 | 0 | 0 | |
|
Camelot Nursery School Hopewell Twp.1106- |
69 | 0 | 0 | |
|
Bcj&r Hopewell Twp.1106- |
29 | 1 | 1 | |
|
Hopewell Valley Vineyards LLC Pennington Boro |
71 | 1 | 0 | |
|
Pennington Citgo #12261011 Hopewell Twp.1106- |
35 | 0 | 0 | |
|
Timberlane Middle School Hopewell Twp.1106- |
901 | 7 | 0 | |
|
Hopwell Valley Medical Center Hopewell Twp.1106- |
65 | 2 | 1 | |
|
Little League of Hopewell Twp Hopewell Twp.1106- |
200 | 2 | 0 | |
|
Hopewell Township Municipal GA Hopewell Twp.1106- |
45 | 1 | 1 | |
|
H&h Appliance Center East Windsor Twp |
30 | 0 | 0 | |
|
Alliance Homes East Windsor Twp |
40 | 0 | 0 |
About this data
Water systems are matched to Mercer County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files or the centre of the first town EPA lists the system as serving, from Census Bureau county subdivision files.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The New Jersey records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.