PlainWater
Counties → New York

Delaware County, New York

Water Systems
140
Population Served
31,097
Total Violations
12,320
150 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

98.6%
Systems with Violations
88.0
Avg Violations per System
1.2%
Health-Based Violations

Water Source Types

GW
45 systems (32%)
SW
5 systems (4%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
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

Delaware New York water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

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
Delhi Village 3,833 135 Clean
Sidney Village 3,800 219 Detected
Walton Village 3,010 97 -
Stamford Village 1,280 15 -
Hancock Village 1,182 218 -
French Woods Arts Camp 850 24 -
Peaceful Valley Campsites 740 135 -
Hobart Village 700 102 -
Downsville Water District 617 170 -
Davenport Water District 600 371 -
Margaretville Village 600 45 -
Roxbury Water District 600 246 -
Ski Plattekill 500 183 -
Franklin Village 481 51 -
Grand Gorge Water District 480 76 -
South Kortright Central School 464 21 -
Arkville Water District 400 650 -
Denver Water District 361 53 -
Fleischmanns Village 352 19 -
Bloomville Water District 350 0 -
Ox Bow Campsites 340 62 -
Little Pond State Campsite 300 31 -
Andes Water District 260 49 -
I-88 Rest Area Wells Bridge (West) 255 46 -
Route 17 Rest Area - East Branch 250 81 -
Suny Delhi Lower Campus 250 64 -
I-88 Rest Area Unadilla (Eastbound) 245 38 -
Camp Chavivin 230 32 -
Mountainview Mobile Home Park 222 42 -
East Sidney Lake Park 205 44 -
Delaware County Resource Center 202 29 -
Camp Nubar 200 77 -
Dcmo Boces 200 41 -
Saputo Dairy Foods USA, LLC 200 36 -
Stratton Falls Campsite 184 46 -
Hamden Water Dist 1 - Hamden 175 103 -
Walton Country Meadow Park 165 331 -
Treadwell Water District 164 264 -
East Branch Valley Water District 160 252 -
Cooks Falls Water District 150 384 -
Fishs Eddy Community Water Sup 150 171 -
Camp Lman Achai 150 47 -
Oppenheimers Regis Hotel 145 45 -
Delhi Rehab 144 288 -
Bovina Center Water Dist. No 1 142 126 -
Russell Brook Campsite 140 72 -
Hamden Water Dist 2 - Delancey 136 66 -
Hidden Inn 125 92 -
Stamford Golf Club 125 71 -
Frenchwoods Sports and Arts Camp 125 19 -

Other Counties in New York

Richmond County
1 systems · 8,271,000 served · 47 violations
Suffolk County
152 systems · 1,387,905 served · 3,402 violations
Nassau County
44 systems · 1,387,489 served · 7,471 violations
Westchester County
274 systems · 992,853 served · 15,832 violations
Erie County
108 systems · 955,615 served · 7,606 violations
Onondaga County
88 systems · 615,889 served · 2,561 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Delaware County? ▼
Delaware County has 12,320 total drinking water violations across 140 water systems, of which 150 are health-based violations. 98.6% of systems have at least one violation.
How many people get water from Delaware County systems? ▼
Water systems in Delaware County serve approximately 31,097 people through 140 public water systems.
Has PFAS been detected in Delaware County water? ▼
Of 2 water systems tested for PFAS in Delaware County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Delaware County? ▼
Water systems in Delaware County use GW (45 systems), SW (5 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. 1.2% of Delaware 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.