PlainWater
Counties → Oklahoma

Seminole County, Oklahoma

Water Systems
16
Population Served
17,140
Total Violations
5,057
1,647 health-based
PFAS Detected
3
of 3 tested

Violation Analysis

100.0%
Systems with Violations
316.1
Avg Violations per System
32.6%
Health-Based Violations

Water Source Types

GW
12 systems (75%)
SW
4 systems (25%)

PFAS Contamination

3
Systems Tested
3
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

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

No violations on record (0) One or more violations (16)

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
Seminole 6,899 241 Clean
Wewoka Public Works Authority 3,450 1,264 Detected
Bowlegs Lima Water 2,500 92 -
Konawa PWA 1,479 1,249 -
Konawa School 600 162 Clean
Seminole Co. RWD #7 450 14 -
Seminole Co. RWD #1 387 249 -
Seminole Co. Rw&swmd #3 337 191 -
Seminole Co. RWD #2 315 262 -
Sasakwa RWD 210 89 -
Sasakwa PWA 150 593 -
Stonebrook Utility Company 136 64 -
Og&e 78 7 -
St. Crispins Youth Camp 75 40 -
Sntp-Rivermist 49 323 -
Wewoka Woods 25 217 -

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 Seminole County? ▼
Seminole County has 5,057 total drinking water violations across 16 water systems, of which 1,647 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Seminole County systems? ▼
Water systems in Seminole County serve approximately 17,140 people through 16 public water systems.
Has PFAS been detected in Seminole County water? ▼
Of 3 water systems tested for PFAS in Seminole County, 3 had PFAS detected (100.0% detection rate).
What types of water sources supply Seminole County? ▼
Water systems in Seminole County use GW (12 systems), SW (4 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. 32.6% of Seminole 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.