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Community Water System · PWS MO3010196

Crocker PWS

Crocker, Missouri 65452-0000 - drinking water served from groundwater sources to 933 people, tracked in EPA SDWIS and UCMR5.

933
People served
82
EPA violations
33
Health-based
Untested
UCMR5 result

The verdict

EPA records 82 drinking-water violations at Crocker PWS, 40% of them health-based - above the Missouri per-system average.

82
Total EPA violations on record
40%
Health-based (MCL / treatment failure)
933
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Crocker PWS

Crocker PWS is a local-owned community water system that delivers drinking water to 933 residents in Crocker, Missouri (Pulaski County) through 433 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 82 total violations for this system , of which 33 (40%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 33 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 33 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%).

Crocker PWS's 82 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
933
Total Violations
82
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
433
County
Pulaski
School/Daycare
No
MCL Violations
33
Monitoring Violations
33
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 33 2013
Consumer Confidence Rule Other 6 2024
Barium MR 1 2005
CYANIDE MR 1 2005
Mercury MR 1 2005
Antimony, Total MR 1 2005
Beryllium, Total MR 1 2005
Thallium, Total MR 1 2005
Selenium MR 1 2005
cis-1,2-Dichloroethylene MR 1 2005
Xylenes, Total MR 1 2005
DICHLOROMETHANE MR 1 2005
o-Dichlorobenzene MR 1 2005
p-Dichlorobenzene MR 1 2005
1,1-Dichloroethylene MR 1 2005
Carbon tetrachloride MR 1 2005
1,1,2-Trichloroethane MR 1 2005
Tetrachloroethylene MR 1 2005
CHLOROBENZENE MR 1 2005
Benzene MR 1 2005
Toluene MR 1 2005
Styrene MR 1 2005
1,1,1-Trichloroethane MR 1 2005
Cadmium MR 1 2005
Arsenic MR 1 2005
1,2-Dichloroethane MR 1 2005
trans-1,2-Dichloroethylene MR 1 2005
Vinyl chloride MR 1 2005
1,2,4-Trichlorobenzene MR 1 2005
Fluoride MR 1 2005

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 Crocker 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 MO3010196 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 Crocker 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 Consumer Confidence Rule Other 6 SDWIS / MO3010196 / 7000
2013 Coliform (TCR) MCL 33 SDWIS / MO3010196 / 3100
2005 Barium MR 1 SDWIS / MO3010196 / 1010
2005 CYANIDE MR 1 SDWIS / MO3010196 / 1024
2005 Mercury MR 1 SDWIS / MO3010196 / 1035
2005 Antimony, Total MR 1 SDWIS / MO3010196 / 1074
2005 Beryllium, Total MR 1 SDWIS / MO3010196 / 1075
2005 Thallium, Total MR 1 SDWIS / MO3010196 / 1085
2005 Selenium MR 1 SDWIS / MO3010196 / 1045
2005 cis-1,2-Dichloroethylene MR 1 SDWIS / MO3010196 / 2380
2005 Xylenes, Total MR 1 SDWIS / MO3010196 / 2955
2005 DICHLOROMETHANE MR 1 SDWIS / MO3010196 / 2964
2005 o-Dichlorobenzene MR 1 SDWIS / MO3010196 / 2968
2005 p-Dichlorobenzene MR 1 SDWIS / MO3010196 / 2969
2005 1,1-Dichloroethylene MR 1 SDWIS / MO3010196 / 2977

How Crocker PWS Compares

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

Metric Crocker PWS Missouri avg Federal benchmark
Total violations 82 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 33 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 933 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 Crocker PWS water safe to drink? ▼
Crocker PWS (PWS ID: MO3010196) has 82 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 933 people using Groundwater sources.
How many people does Crocker PWS serve? ▼
Crocker PWS serves 933 people in Crocker, Missouri. It is a Local-owned system using Groundwater water sources with 433 service connections.
What type of violations does Crocker PWS have? ▼
Crocker PWS has 82 total violations: 33 health-based violations (MCL exceedances or treatment failures), 33 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Crocker PWS water? ▼
No PFAS testing data is available for Crocker PWS under the EPA's UCMR5 monitoring program.
What water source does Crocker PWS use? ▼
Crocker 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.

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.