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Counties → New Jersey

Middlesex County, New Jersey

Water Systems
35
Population Served
668,615
Total Violations
2,949
401 health-based
PFAS Detected
12
of 13 tested

Violation Analysis

94.3%
Systems with Violations
84.3
Avg Violations per System
13.6%
Health-Based Violations

Water Source Types

GW
22 systems (63%)
SW
13 systems (37%)

PFAS Contamination

13
Systems Tested
12
PFAS Detected
92.3%
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

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

No violations on record (2) One or more violations (33)

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
Middlesex Water Company 233,376 87 Detected
Old Bridge Mua 68,000 56 Detected
New Brunswick W Dept 55,000 797 Detected
Perth Amboy Water Department 52,328 192 Detected
East Brunswick Water Utility 48,474 83 Detected
Sayreville W Dept 45,345 182 Detected
North Brunswick W Dept 43,905 75 Clean
Monroe Twp Utility Department 36,000 538 Detected
Edison Water Co 35,000 50 Detected
South River W Dept 16,000 100 Detected
Highland Park W Dept 14,000 23 Detected
Spotswood W Dept 8,300 87 Detected
Milltown W Dept 7,000 136 Detected
Helmetta Water Dept 2,000 88 -
Valero Gas Station 610 18 -
Monroe Sports Center 371 14 -
Bakers American Bar & Grille 365 7 -
Springwood Swim Club 365 34 -
Chinmaya Mission Tri State Center 352 4 -
St Davids Episcopal Church 303 27 -
Lake Nelson School 300 43 -
St Stephens Mar Thoma Church 200 78 -
Qr Farrington DC LLC 175 0 -
Keystone Plastics Inc 120 64 -
Cranbury Animal Hospital 114 3 -
Cranbury Buick Gmc 110 60 -
M Hegarty & J Vincent Scalia Funerals 104 6 -
Make a Wish 88 2 -
Floral Park Cemetery 62 3 -
Valvoline Instant Oil Change 60 39 -
Foley Inc 47 13 -
Union Hill Gun Club 40 7 -
Holland Greenhouse 38 30 -
New Jersey Dental Assoc 33 3 -
Recoil Inc 30 0 -

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 Middlesex County? ▼
Middlesex County has 2,949 total drinking water violations across 35 water systems, of which 401 are health-based violations. 94.3% of systems have at least one violation.
How many people get water from Middlesex County systems? ▼
Water systems in Middlesex County serve approximately 668,615 people through 35 public water systems.
Has PFAS been detected in Middlesex County water? ▼
Of 13 water systems tested for PFAS in Middlesex County, 12 had PFAS detected (92.3% detection rate).
What types of water sources supply Middlesex County? ▼
Water systems in Middlesex County use GW (22 systems), SW (13 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. 13.6% of Middlesex 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.