PlainWater
Counties → Oklahoma

Custer County, Oklahoma

Water Systems
12
Population Served
24,061
Total Violations
2,285
587 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

100.0%
Systems with Violations
190.4
Avg Violations per System
25.7%
Health-Based Violations

Water Source Types

GW
7 systems (58%)
SW
5 systems (42%)

PFAS Contamination

2
Systems Tested
2
PFAS Detected
100.0%
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

Custer Oklahoma water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (12)

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
Weatherford 10,833 373 Clean
Clinton 8,883 446 Clean
Thomas 1,238 68 -
Custer County RWD #3 960 8 -
Arapaho 748 81 -
Frontier Development Auth 437 51 -
Custer City PWS 393 9 -
Butler 345 65 -
Country East MHP 97 89 -
Traverse Wind Energy, LLC 75 90 -
Shady Acres Custer County 40 967 -
Foss Reservoir McD 12 38 -

Other Counties in Oklahoma

Oklahoma County
121 systems · 889,384 served · 20,669 violations
Tulsa County
15 systems · 666,353 served · 1,073 violations
Cleveland County
73 systems · 216,341 served · 8,560 violations
Comanche County
25 systems · 137,288 served · 5,160 violations
Payne County
22 systems · 87,559 served · 2,865 violations
Rogers County
15 systems · 75,204 served · 2,062 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Custer County? ▼
Custer County has 2,285 total drinking water violations across 12 water systems, of which 587 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Custer County systems? ▼
Water systems in Custer County serve approximately 24,061 people through 12 public water systems.
Has PFAS been detected in Custer County water? ▼
Of 2 water systems tested for PFAS in Custer County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Custer County? ▼
Water systems in Custer County use GW (7 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. 25.7% of Custer 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.