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Counties → New Jersey

Morris County, New Jersey

Water Systems
304
Population Served
450,101
Total Violations
24,499
2,084 health-based
PFAS Detected
26
of 33 tested

Violation Analysis

96.1%
Systems with Violations
80.6
Avg Violations per System
8.5%
Health-Based Violations

Water Source Types

GW
40 systems (13%)
SW
10 systems (3%)

PFAS Contamination

33
Systems Tested
26
PFAS Detected
78.8%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Morris New Jersey water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Southeast Morris County Mua 62,349 549 Detected
Parsippany-Troy Hills Water Department 50,400 430 Detected
Dover Water Commission 27,806 546 Detected
Montville Twp Mua 22,000 87 Detected
Denville Twp Water Dept 15,881 456 Detected
Madison Water Dept 15,820 139 Detected
Randolph Twp Public Works Dept 14,820 50 Clean
Pequannock Twp Water Department 14,010 291 Clean
Rockaway Twp Water Dept 14,000 234 Detected
NJ American Water - Roxbury 11,793 210 Clean
East Hanover Twp Water Dept 11,393 331 Detected
Lincoln Park Water Dept 11,000 77 Detected
Boonton Water Dept 9,532 347 Detected
Chatham Water Dept 8,962 35 Clean
Florham Park Water Dept 8,846 372 Detected
Jefferson Twp W U Lk Hop 8,500 351 Detected
Mount Olive Twp W D Main 7,887 599 Detected
Rockaway Boro Water Dept 7,066 54 Detected
NJ American Water - Itc 6,463 7 Detected
Wharton Water Dept 6,342 220 Detected
Awo&m - Picatinny Arsenal 6,011 11 Detected
Roxbury Twp W Dept-Shore 5,153 200 Detected
Mt Olive Villages Water 5,000 167 Detected
Washington Twp Mua-Schoo 4,986 196 Detected
Jefferson Twp W U Milton Sys 4,500 390 Detected
Roxbury Twp W Dept-Sky V 4,478 98 Detected
Mine Hill Twp Water Dept 4,300 113 Clean
Mountain Lakes Water Dep 4,012 340 Detected
Mt Olive Village Green Water System 3,600 183 Clean
Netcong Water Dept 3,342 128 Detected
Fayson Lakes Water Company Inc 3,010 152 -
Riverdale Boro Water Dep 2,850 146 -
Veolia Water New Jersey Arlington Hills 1,989 31 -
Mount Arlington Boro Dpw Main 1,978 75 Clean
Kinnelon Water Dept 1,938 133 -
Mt Olive High School 1,750 116 -
West Morris Central High 1,615 33 -
Pequannock Twp WD-Cedar Crest 1,463 40 -
Jefferson Twp High School 1,400 60 -
Hopatcong State Park 1,200 68 -
Sisters of Charity of SE 1,100 22 -
Morris Chase/Morris Hunt Pcws 1,080 97 -
Mount Arlington Dpw Kadel Sys 1,053 65 -
Windlass Restaurant & Marina 1,020 31 -
Quick-Chek 1,006 34 -
Jefferson Twp Middle School 900 55 -
NJ American Water - West Jersey 837 30 -
School House Plaza 811 219 -
St Lukes Parish 786 96 -
Mount Olive Twp W D Sand 744 416 -

Other Counties in New Jersey

Bergen County
49 systems · 1,133,521 served · 6,905 violations
Essex County
25 systems · 889,677 served · 4,186 violations
Union County
7 systems · 778,855 served · 855 violations
Ocean County
214 systems · 721,554 served · 10,195 violations
Monmouth County
285 systems · 715,264 served · 9,403 violations
Burlington County
293 systems · 674,987 served · 19,188 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Morris County? ▼
Morris County has 24,499 total drinking water violations across 304 water systems, of which 2,084 are health-based violations. 96.1% of systems have at least one violation.
How many people get water from Morris County systems? ▼
Water systems in Morris County serve approximately 450,101 people through 304 public water systems.
Has PFAS been detected in Morris County water? ▼
Of 33 water systems tested for PFAS in Morris County, 26 had PFAS detected (78.8% detection rate).
What types of water sources supply Morris County? ▼
Water systems in Morris County use GW (40 systems), SW (10 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 8.5% of Morris County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.