PlainWater

Community Water System · PWS MO1010839

Waverly PWS

Waverly, Missouri 64096-0000 - drinking water served from groundwater sources to 800 people, tracked in EPA SDWIS and UCMR5.

800
People served
98
EPA violations
64
Health-based
Untested
UCMR5 result

The verdict

EPA records 98 drinking-water violations at Waverly PWS, 65% of them health-based - above the Missouri per-system average.

98
Total EPA violations on record
65%
Health-based (MCL / treatment failure)
800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Waverly PWS

Waverly PWS is a local-owned community water system that delivers drinking water to 800 residents in Waverly, Missouri (Lafayette County) through 392 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 98 total violations for this system , of which 64 (65%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 25 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is TTHM, recorded in 60 violations (MCL, health-based). 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%).

Waverly PWS's 98 violations sit above 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
800
Total Violations
98
Health-Based Violations
64
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
392
County
Lafayette
School/Daycare
No
MCL Violations
60
Monitoring Violations
25
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 60 2018
Coliform (TCR) MR 20 2015
Revised Total Coliform Rule MON 4 2024
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2024
Consumer Confidence Rule Other 2 2006
Lead and Copper Rule MR 1 1994
Public Notice Other 1 2016

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 Waverly PWS.

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 MO1010839 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 Waverly PWS under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public Drinking Water Branch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule MON 4 SDWIS / MO1010839 / 8000
2024 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / MO1010839 / 0400
2018 TTHM MCL 60 SDWIS / MO1010839 / 2950
2016 Public Notice Other 1 SDWIS / MO1010839 / 7500
2015 Coliform (TCR) MR 20 SDWIS / MO1010839 / 3100
2006 Consumer Confidence Rule Other 2 SDWIS / MO1010839 / 7000
1994 Lead and Copper Rule MR 1 SDWIS / MO1010839 / 5000

How Waverly PWS Compares

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

Metric Waverly PWS Missouri avg Federal benchmark
Total violations 98 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 64 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 800 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 Waverly PWS water safe to drink?
Waverly PWS (PWS ID: MO1010839) has 98 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 800 people using Groundwater sources.
How many people does Waverly PWS serve?
Waverly PWS serves 800 people in Waverly, Missouri. It is a Local-owned system using Groundwater water sources with 392 service connections.
What type of violations does Waverly PWS have?
Waverly PWS has 98 total violations: 64 health-based violations (MCL exceedances or treatment failures), 25 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Waverly PWS water?
No PFAS testing data is available for Waverly PWS under the EPA's UCMR5 monitoring program.
What water source does Waverly PWS use?
Waverly PWS 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.
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.