PlainWater

Somerset County, New Jersey

SDWIS compliance plate

Sheet NJ035 · Somerset County 93 sys · 2,716 viol · #518/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 96.8% flagged
  • HEALTH-LOW 18.4% health
  • RANK-TOP #518/3254
  • PHOTO-FINISH ±0.3 pp
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 98%
  • SYS-MID 93 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Camden County (+ 0.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Somerset County ranks #518 of 3,254 counties by people served, and #17 of 21 counties in New Jersey. See methodology · corpus placement.

Somerset County standing, mid-flagged corpus third

Flagged-system rate 96.8% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #518 of 3,254 · #17 of 21 in New Jersey.

Flagged-rate neighbourhood around Somerset County

Lowest/highest poles plus in-state counties nearest Somerset County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Ocean · lowest Salem · near Somerset · this county Hudson · highest 91.1% 96.2% 96.2% 96.4% 96.8% 97.1% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Franklin Township Dept of Public Works 57,150 228 Detected
South Brunswick Twp W Di 45,450 234 Detected
Duke Island Park 1,506 41 -
Dewitt Cabin and Pool 805 8 -
Far Hills Country Day School 700 16 -
Rocky Hill W Dept 687 41 -
Hillsborough Board of Education 540 34 -
Fiddlers Elbow Golf Course 500 66 -
Fellowship Deaconry Camp Well 450 8 -
Burger King 420 8 -
Garden State Sikh Temple 402 39 -
Trump National Golf Course 375 66 -
Elbereth LLC Kitchen 355 47 -
Elbereth LLC School 355 37 -
Elbereth LLC - the Long House 355 42 -
Princeton Mont Soc Inc 355 21 -
Exxon USA 3-6110 302 16 -
Waldorf School of Princeton 300 16 -
NJ American Water - Twin Lakes 250 27 -
Albrook School 245 15 -
Bernardsville Municipal Pool 210 0 -
Green Knoll Grille 210 30 -
Neshanic Vallley Golf Course-Perf Academ 206 12 -
Arsha Bodha Center 202 9 -
Fraternal Order of Eagle - Picnic Area 200 11 -
Mark E Singley Park 200 20 -
Princeton English Congregation 200 48 -
Fellowship Deaconry Inc 188 14 -
Church of Jesus Christ Latter Day Saints 185 31 -
St John on the Mountain 180 31 -
Chengdu 1 Palace Inc 163 2 -
Super Car Wash 162 7 -
Cherry Blossom-Montessori Sch 162 18 -
Longships Complex 158 13 -
Petrocks Bar & Grille 152 27 -
Bridgewater Senior Citizens Center 151 46 -
Camp Agnes Dewitt 142 10 -
Lamington Presbyterian Church 122 8 -
Roycefield Swim Club 120 44 -
Obriens Tavern 113 23 -
Blawenburg Bistro 108 10 -
South Branch Reformed Ch 107 5 -
Humble House Complex 107 9 -
Bunker Hill Golf Course 106 35 -
Burnt Mills Cider 104 0 -
Warren Brook Park Gc 104 21 -
Fox Hollow Gc (Club House 100 22 -
So Bound Brook Little League 100 55 -
Mc Knight Field 100 53 -
Cedar Hill Club Inc 95 42 -

Compare beyond New Jersey

Mid-flagged peers for Somerset County

Cross-state counties nearest Somerset County on flagged-system share (96.8%) and cumulative violation count (2,716). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

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

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.