County · New Jersey
Sussex County, New Jersey: drinking water records
This overview covers 19 ZIP codes and 59 community water systems in Sussex County. It also stands in for 3 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Sparta TWP Water Utility - Lake Mohawk NJ1918004 | 17,625 | 780 | 7 | 4 | 1.0 ppb |
| Newton Water & Sewer Utility NJ1915001 | 8,300 | 120 | 0 | 3 | 2.8 ppb |
| Veolia Water New Jersey Vernon Valley NJ1922026 | 5,517 | 60 | 3 | 1 | 2.5 ppb |
| Hopatcong Water Dept NJ1912001 | 7,224 | 420 | 6 | 0 | 8.5 ppb |
| Franklin Bd of Public Works NJ1906002 | 5,500 | 60 | 0 | 0 | 1.1 ppb |
| Stanhope W Dept NJ1919001 | 3,730 | 180 | 7 | 0 | 5.9 ppb |
| Hamburg Board of Public NJ1909001 | 3,382 | 120 | 3 | 0 | 2.0 ppb |
| Sussex W Dept NJ1921001 | 2,201 | 0 | 0 | 12 | 0 ppb |
| Branchville W Dept NJ1903001 | 1,500 | 0 | 0 | 3 | 1.2 ppb |
| Stillwater Water District 1 NJ1920001 | 1,200 | 0 | 0 | 1 | 0 ppb |
| Lake Tamarack W Co NJ1911003 | 1,000 | 0 | 0 | 3 | 0 ppb |
| Hardyston TWP MUA NJ1911005 | 769 | 0 | 0 | 4 | 1.1 ppb |
| Aqua Nj - Tranquility Springs NJ1908001 | 599 | 0 | 0 | 1 | 0 ppb |
| Carriage Mobile Homes INC NJ1910002 | 300 | 0 | 0 | 1 | 13.6 ppb |
| Mohawk Meadows NJ1902008 | 250 | 0 | 0 | 2 | 2.8 ppb |
| Veolia Water New Jersey Lake Glenwood NJ1922010 | 250 | 0 | 0 | 1 | 0 ppb |
| Tranquil Valley Retreat Center NJ1908308 | 232 | 0 | 0 | 2 | 2.3 ppb |
| Aqua Nj - Bear Brook NJ1907002 | 226 | 0 | 0 | 1 | 0 ppb |
| Veolia Water New Jersey Sunset Ridge NJ1922011 | 208 | 0 | 0 | 3 | 7.4 ppb |
| Town Center at Wantage NJ1924006 | 122 | 0 | 0 | 3 | 0 ppb |
| Sussex Cnty Hlth-The Homested NJ1905004 | 100 | 0 | 0 | 2 | 3.4 ppb |
| Ogdensburg W Dept NJ1916001 | 2,800 | 0 | 0 | 0 | 0 ppb |
| Montague Water Co. NJ1914002 | 1,983 | 0 | 0 | 0 | 1 ppb |
| Hardyston TWP MUA NJ1911006 | 1,963 | 0 | 0 | 0 | 0 ppb |
| Sparta TWP Water Utility -- Highlands NJ1918003 | 1,618 | 0 | 0 | 0 | 2.7 ppb |
ZIP reports in Sussex County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 07822, 07851, 07881.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.