PlainWater
Counties → Missouri

Platte County, Missouri

Water Systems
20
Population Served
54,031
Total Violations
659
120 health-based
PFAS Detected
4
of 4 tested

Violation Analysis

100.0%
Systems with Violations
33.0
Avg Violations per System
18.2%
Health-Based Violations

Water Source Types

SW
12 systems (60%)
GW
8 systems (40%)

PFAS Contamination

4
Systems Tested
4
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

Platte Missouri water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (20)

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
MO American Platte County 16,645 4 Clean
Platte Co PWSD 4 9,552 47 Detected
Platte County Cons PWSD 1 6,900 1 Detected
Platte City PWS 4,691 21 Detected
Platte County PWSD 6 2,095 6 -
Weatherby Lake PWS 2,077 3 -
Platte Co PWSD 9 1,860 34 -
Weston PWS 1,850 41 -
Platte County PWSD 7 1,725 34 -
Platte County PWSD 8 1,200 151 -
Lake Waukomis PWS 1,083 11 -
Ferrelview PWS 802 42 -
Platte County PWSD 2 741 32 -
Dearborn PWS 670 29 -
Edgerton PWS 615 48 -
Platte County PWSD 3 615 55 -
Tracy PWS 390 55 -
Northmoor PWS 375 9 -
Green Hills Mhc LLC 135 2 -
Covenant Cove RV Resort 10 34 -

Other Counties in Missouri

St. Louis County
23 systems · 1,145,619 served · 1,825 violations
Cass County
31 systems · 625,744 served · 1,771 violations
Jackson County
23 systems · 405,266 served · 559 violations
St. Charles County
54 systems · 310,776 served · 2,706 violations
St. Louis city County
1 systems · 304,709 served · 27 violations
Greene County
82 systems · 265,439 served · 7,132 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Platte County? ▼
Platte County has 659 total drinking water violations across 20 water systems, of which 120 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Platte County systems? ▼
Water systems in Platte County serve approximately 54,031 people through 20 public water systems.
Has PFAS been detected in Platte County water? ▼
Of 4 water systems tested for PFAS in Platte County, 4 had PFAS detected (100.0% detection rate).
What types of water sources supply Platte County? ▼
Water systems in Platte County use SW (12 systems), GW (8 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. 18.2% of Platte 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.