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Non-Transient Non-Community Water System · PWS MO6180934

River Cement Company

Festus, Missouri 63028-0000 - drinking water served from groundwater sources to 145 people, tracked in EPA SDWIS and UCMR5.

145
People served
166
EPA violations
105
Health-based
Untested
UCMR5 result

The verdict

EPA records 166 drinking-water violations at River Cement Company, 63% of them health-based - above the Missouri per-system average.

166
Total EPA violations on record
63%
Health-based (MCL / treatment failure)
145
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: River Cement Company

River Cement Company is a private-owned non-transient non-community water system that delivers drinking water to 145 residents in Festus, Missouri (Jefferson County) through 7 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 166 total violations for this system , of which 105 (63%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 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 Coliform (TCR), recorded in 94 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, 71 of 230 UCMR5-tested systems have reported PFAS detections (30.9%).

River Cement Company's 166 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
145
Total Violations
166
Health-Based Violations
105
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
7
County
Jefferson
School/Daycare
No
MCL Violations
101
Monitoring Violations
52
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 94 2015
Coliform (TCR) MR 50 2013
Revised Total Coliform Rule MCL 7 2016
Public Notice Other 5 2014
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 3 2024
TTHM MR 1 2023
Total Haloacetic Acids (HAA5) MR 1 2023

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 River Cement Company.

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 MO6180934 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 River Cement Company 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 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / MO6180934 / 0400
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / MO6180934 / 5200
2023 TTHM MR 1 SDWIS / MO6180934 / 2950
2023 Total Haloacetic Acids (HAA5) MR 1 SDWIS / MO6180934 / 2456
2016 Revised Total Coliform Rule MCL 7 SDWIS / MO6180934 / 8000
2015 Coliform (TCR) MCL 94 SDWIS / MO6180934 / 3100
2014 Public Notice Other 5 SDWIS / MO6180934 / 7500
2013 Coliform (TCR) MR 50 SDWIS / MO6180934 / 3100

How River Cement Company Compares

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

Metric River Cement Company Missouri avg Federal benchmark
Total violations 166 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 105 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 30.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 145 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 River Cement Company water safe to drink?
River Cement Company (PWS ID: MO6180934) has 166 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 145 people using Groundwater sources.
How many people does River Cement Company serve?
River Cement Company serves 145 people in Festus, Missouri. It is a Private-owned system using Groundwater water sources with 7 service connections.
What type of violations does River Cement Company have?
River Cement Company has 166 total violations: 105 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in River Cement Company water?
No PFAS testing data is available for River Cement Company under the EPA's UCMR5 monitoring program.
What water source does River Cement Company use?
River Cement Company uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.