PlainWater
Counties → Missouri

Callaway County, Missouri

Water Systems
15
Population Served
40,194
Total Violations
568
141 health-based
PFAS Detected
3
of 3 tested

Violation Analysis

93.3%
Systems with Violations
37.9
Avg Violations per System
24.8%
Health-Based Violations

Water Source Types

GW
15 systems (100%)

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

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

No violations on record (1) One or more violations (14)

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
Callaway 2 Water District 13,080 42 Clean
Fulton PWS 12,600 24 Clean
Callaway County PWSD 1 9,840 6 Clean
South Callaway County R II Schools 1,100 14 -
Auxvasse PWS 1,001 23 -
Ameren Missouri Callaway Energy Center 750 10 -
New Bloomfield PWS 669 28 -
Seges MHP 285 36 -
Winterwood Estates 250 0 -
Mokane PWS 208 170 -
Kingdom City PWS 128 34 -
MO American Jefferson City North 95 4 -
Wildwood Lot Owners Assn 78 39 -
Hatton Hills MHP 70 30 -
Hanson Hills 40 108 -

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 Callaway County? ▼
Callaway County has 568 total drinking water violations across 15 water systems, of which 141 are health-based violations. 93.3% of systems have at least one violation.
How many people get water from Callaway County systems? ▼
Water systems in Callaway County serve approximately 40,194 people through 15 public water systems.
Has PFAS been detected in Callaway County water? ▼
Of 3 water systems tested for PFAS in Callaway County, 3 had PFAS detected (100.0% detection rate).
What types of water sources supply Callaway County? ▼
Water systems in Callaway County use GW (15 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. 24.8% of Callaway 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.