PlainWater
Counties → Oklahoma

Ottawa County, Oklahoma

Water Systems
19
Population Served
24,382
Total Violations
3,716
302 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

100.0%
Systems with Violations
195.6
Avg Violations per System
8.1%
Health-Based Violations

Water Source Types

GW
18 systems (95%)
SW
1 system (5%)

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

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

No violations on record (0) One or more violations (19)

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
Miami 13,704 352 Clean
Commerce 2,645 220 -
Afton PWA 1,428 409 -
Fairland Public Works Authority 1,025 60 -
Quapaw 906 61 -
Ottawa Co RWD #5 750 422 -
Ottawa Co RWD # 2 700 327 -
Ottawa Co RWD # 4 652 292 Clean
Ottawa Co RWD #6 560 240 -
Ottawa Co RWD #7 500 32 -
Ottawa Co RWD # 1 458 119 -
North Miami 433 85 -
Full Gospel Camp 200 75 -
Ottawa Co RWD # 3 140 368 -
Turkey Ford Public School Dist C010 85 28 -
Freedom From Addiction Through Christ 60 335 -
Quapaw Tribe 55 217 -
Wyandotte Tribe of Oklahoma 51 32 -
Bradshaw Corner Grocery 30 42 -

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 Ottawa County? ▼
Ottawa County has 3,716 total drinking water violations across 19 water systems, of which 302 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Ottawa County systems? ▼
Water systems in Ottawa County serve approximately 24,382 people through 19 public water systems.
Has PFAS been detected in Ottawa County water? ▼
Of 2 water systems tested for PFAS in Ottawa County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Ottawa County? ▼
Water systems in Ottawa County use GW (18 systems), SW (1 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. 8.1% of Ottawa 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.