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Counties → New York

Putnam County, New York

Water Systems
383
Population Served
57,728
Total Violations
11,371
638 health-based
PFAS Detected
0
of 2 tested

Violation Analysis

88.0%
Systems with Violations
29.7
Avg Violations per System
5.6%
Health-Based Violations

Water Source Types

GW
45 systems (12%)
SW
5 systems (1%)

PFAS Contamination

2
Systems Tested
0
PFAS Detected
0.0%
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

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

No violations on record (6) One or more violations (44)

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
Carmel WD 2 5,000 52 Clean
Mahopac School Complex (Falls, Mms, Mhs) 3,200 4 -
Cold Spring Village 2,666 70 -
Brewster Village 2,162 19 -
Continental Village WD 1,509 3 -
Mount Ebo WS 1,500 15 -
Carmel WD 3 1,350 20 -
Brewster Heights 1,350 28 -
Watchtower Bible Tract Society 1,251 0 -
Mahopac Water Co 1,202 21 -
Carmel WD 8 1,000 45 -
Chuang Yen Monastery Great Buddha Hall 1,000 0 -
Hill Sparrow Master HOA 938 92 -
Hunters Glen Condominium WS 875 55 -
Reed Farm Condominiums W.S. 600 2 -
Vails Grove Cooperative 500 15 -
Blackberry Hill 500 7 -
Fahnestock Pelton 500 37 -
Green Chimneys: Main Well 500 11 -
Fox Run Condominiums 475 77 -
Peaceable Hill Water District 475 1 -
Carmel WD 4 450 87 -
Chateau Ridge 440 18 -
Rainbow Water 432 7 -
Carmel WD 9 400 32 -
Floradan Lodge 400 39 -
Carmel WD 14 400 6 -
Hillcrest Water District 400 30 -
George Fisher Middle School 400 7 -
Carmel Recreation 400 18 -
Camp Wilbur Herrlich 400 18 -
Maple Hill Condominium W.S. 380 3 -
Boniville Water Co 376 11 -
Kent WD 1 360 3 -
Graymoor Village 350 21 -
Misty Hills Water System 315 74 -
Garrison Union Free School 300 25 -
The Trail Club 300 70 -
Carmel WD 7 300 37 -
Putnam Valley Elementary Sch 300 112 -
Matthew Paterson Elementary School 300 4 -
Lakeview Elementary School 300 0 -
Austin Road Elementary School 300 0 -
Fulmar Road Elementary School 300 0 -
Putnam Valley Professional Building 300 9 -
Drewville Mart, Inc. 300 0 -
Carmel WD 12 300 25 -
Brewster Business Park 300 4 -
Starr Ridge Manor 295 29 -
West Branch Acres 292 18 -

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 Putnam County? ▼
Putnam County has 11,371 total drinking water violations across 383 water systems, of which 638 are health-based violations. 88.0% of systems have at least one violation.
How many people get water from Putnam County systems? ▼
Water systems in Putnam County serve approximately 57,728 people through 383 public water systems.
Has PFAS been detected in Putnam County water? ▼
Of 2 water systems tested for PFAS in Putnam County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Putnam County? ▼
Water systems in Putnam 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. 5.6% of Putnam 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.