PlainWater
Counties → Kansas

Douglas County, Kansas

Water Systems
14
Population Served
155,316
Total Violations
244
56 health-based
PFAS Detected
6
of 6 tested

Violation Analysis

92.9%
Systems with Violations
17.4
Avg Violations per System
23.0%
Health-Based Violations

Water Source Types

SW
12 systems (86%)
GW
2 systems (14%)

PFAS Contamination

6
Systems Tested
6
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

Douglas Kansas water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (13)

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
Lawrence, City Of 95,256 12 Detected
University of Kansas 35,000 28 Detected
Eudora, City Of 6,449 6 Clean
Baldwin City, City Of 4,882 45 Clean
Douglas Co RWD 3 4,663 37 Detected
Douglas Co RWD 4 3,000 26 Clean
Douglas Co RWD 5 2,500 8 -
Douglas Co RWD 1 1,400 8 -
Douglas Co RWD 2 1,163 24 -
Lecompton, City Of 592 11 -
Douglas Co RWD 6 360 25 -
Lawrence Kta 25 11 -
Clinton Reservoir 25 3 -
Public Wholesale WSD 25 1 0 -

Other Counties in Kansas

Johnson County
9 systems · 668,443 served · 321 violations
Sedgwick County
29 systems · 498,426 served · 1,514 violations
Wyandotte County
2 systems · 160,765 served · 103 violations
Shawnee County
9 systems · 154,507 served · 551 violations
Leavenworth County
16 systems · 82,837 served · 1,071 violations
Riley County
13 systems · 62,651 served · 542 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Douglas County? ▼
Douglas County has 244 total drinking water violations across 14 water systems, of which 56 are health-based violations. 92.9% of systems have at least one violation.
How many people get water from Douglas County systems? ▼
Water systems in Douglas County serve approximately 155,316 people through 14 public water systems.
Has PFAS been detected in Douglas County water? ▼
Of 6 water systems tested for PFAS in Douglas County, 6 had PFAS detected (100.0% detection rate).
What types of water sources supply Douglas County? ▼
Water systems in Douglas County use SW (12 systems), GW (2 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. 23.0% of Douglas 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.