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Community Water System · PWS MO2024014

Audrain County Consolidated PWSD 2

Mexico, Missouri 65265-0000 - drinking water served from groundwater sources to 4,016 people, tracked in EPA SDWIS and UCMR5.

4,016
People served
3
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 3 drinking-water violations at Audrain County Consolidated PWSD 2 - below the Missouri per-system average.

3
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
4,016
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Audrain County Consolidated PWSD 2

Audrain County Consolidated PWSD 2 is a local-owned community water system that delivers drinking water to 4,016 residents in Mexico, Missouri (Audrain County) through 1,634 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 3 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed.

No specific contaminant violations have been recorded in EPA's detailed violation register for this system. This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Audrain County Consolidated PWSD 2's 3 violations sit below the Missouri average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
4,016
Total Violations
3
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,634
County
Audrain
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
0

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Audrain County Consolidated PWSD 2.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MO2024014 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR, Public Drinking Water Branch is the primacy agency that licenses and inspects Audrain County Consolidated PWSD 2 under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public Drinking Water Branch

How Audrain County Consolidated PWSD 2 Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Audrain County Consolidated PWSD 2 Missouri avg Federal benchmark
Total violations 3 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,016 2,074 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Audrain County Consolidated PWSD 2 water safe to drink? ▼
Audrain County Consolidated PWSD 2 (PWS ID: MO2024014) has 3 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,016 people using Groundwater sources.
How many people does Audrain County Consolidated PWSD 2 serve? ▼
Audrain County Consolidated PWSD 2 serves 4,016 people in Mexico, Missouri. It is a Local-owned system using Groundwater water sources with 1,634 service connections.
What type of violations does Audrain County Consolidated PWSD 2 have? ▼
Audrain County Consolidated PWSD 2 has 3 total violations: 0 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Audrain County Consolidated PWSD 2 water? ▼
No PFAS testing data is available for Audrain County Consolidated PWSD 2 under the EPA's UCMR5 monitoring program.
What water source does Audrain County Consolidated PWSD 2 use? ▼
Audrain County Consolidated PWSD 2 uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.