Sussex County, NJ Water Quality Guide

Provider mappings, reported contaminant levels, and water help information for Sussex County, NJ.

About Sussex County, NJ Water

Sussex County is served by multiple public water systems, utilities, and report records. The provider and contaminant information below is organized by PWS ID rather than treated as one countywide water result.

Municipality-level mapping: Pending verified NJDEP or utility service-area records for the current inventory.

Utility and water-quality data

Water system providers for Sussex County, NJ

This county page lists PWS systems represented in the current NJ source inventory. A county is not one water system; confirm the PWS ID on your bill or through NJDEP.

Data disclosure: Municipality-to-PWS relationships below are based on NJDEP municipal-boundary and public-community service-area GIS intersections. A mapped relationship does not guarantee service at every address.

Utility providers and PWS IDs

PWS ID	System	Provider	County	Status	Official links
`NJ1904009`	Byram	Aqua New Jersey, Inc.	Sussex County	verified-current	Utility/source links CCR/report finder
`NJ1907002`	Bear Brook	Aqua New Jersey, Inc.	Sussex County	verified-current	Utility/source links CCR/report finder
`NJ1908001`	Tranquility Springs	Aqua New Jersey, Inc.	Sussex County	verified-current	Utility/source links CCR/report finder
`NJ1911001`	Wallkill	Aqua New Jersey, Inc.	Sussex County	verified-current	Utility/source links CCR/report finder
`NJ1911004`	Summit Lake	Aqua New Jersey, Inc.	Sussex County	verified-current	Utility/source links CCR/report finder
`NJ1914002`	PWS ID: NJ1914002	New Jersey American Water Co.	Sussex County	verified-current	Utility/source links CCR/report finder
`NJ1922008`	Vernon	Aqua New Jersey, Inc.	Sussex County	verified-current	Utility/source links CCR/report finder

Municipality pages with available report data

Byram — 2 report-linked PWS systems
Fredon — 1 report-linked PWS system
Green — 1 report-linked PWS system
Hardyston — 2 report-linked PWS systems
Montague — 1 report-linked PWS system
Stanhope — 1 report-linked PWS system
Vernon — 1 report-linked PWS system

Reported contaminant levels for Sussex County, NJ

PWS ID	System	Contaminant	Reported level	Range	Limit	Comparison	Sample year	Source

All available reports

NJ1904009 Byram — Official CCR/report finder
NJ1907002 Bear Brook — Official CCR/report finder
NJ1908001 Tranquility Springs — Official CCR/report finder
NJ1911001 Wallkill — Official CCR/report finder
NJ1911004 Summit Lake — Official CCR/report finder
NJ1914002 PWS ID: NJ1914002 — Official CCR/report finder
NJ1922008 Vernon — Official CCR/report finder

How to read this info

How to Read This Info for Sussex County, NJ

Start with the provider table and PWS ID. Compare the reported contaminant level and unit with the listed MCL, recommended upper limit, or action level. “Below / At / Above” is a direct comparison, not a formal compliance determination.

For address confirmation, use the NJDEP Drinking Water Viewer, EPA ECHO, and the official CCR links shown above.

FAQ

Frequently asked questions

Who is my water provider and source in Sussex County?

Review the listed PWS IDs and providers above:

NJ1904009 — Aqua New Jersey, Inc.
NJ1907002 — Aqua New Jersey, Inc.
NJ1908001 — Aqua New Jersey, Inc.
NJ1911001 — Aqua New Jersey, Inc.
NJ1911004 — Aqua New Jersey, Inc.
NJ1914002 — New Jersey American Water Co.
NJ1922008 — Aqua New Jersey, Inc.

Confirm the PWS ID on your bill or with NJDEP because counties are not single water systems.

Does Sussex County have specific water quality issues?

Review the contaminant rows and official CCR sources above. Do not treat one system’s report as a countywide result.

NJ Water Quality is an independent educational resource. County and PWS mappings are discovery records and may not establish service at every address. Blank, dated, or limited data are disclosed above.

Last reviewed: July 13, 2026