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Community Water System · PWS MO4010883

Bunker PWS

Bunker, Missouri 63629-0000 - drinking water served from groundwater sources to 407 people, tracked in EPA SDWIS and UCMR5.

407
People served
74
EPA violations
25
Health-based
Untested
UCMR5 result

The verdict

EPA records 74 drinking-water violations at Bunker PWS, 34% of them health-based - above the Missouri per-system average.

74
Total EPA violations on record
34%
Health-based (MCL / treatment failure)
407
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bunker PWS

Bunker PWS is a local-owned community water system that delivers drinking water to 407 residents in Bunker, Missouri (Dent County) through 184 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 74 total violations for this system , of which 25 (34%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 25 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%).

Bunker PWS's 74 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
407
Total Violations
74
Health-Based Violations
25
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
184
County
Dent
School/Daycare
No
MCL Violations
25
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 25 2013
Coliform (TCR) MR 9 2015
Gross Alpha, Excl. Radon and U MR 2 1980
Toluene MR 1 1994
Benzene MR 1 1994
o-Dichlorobenzene MR 1 1994
DICHLOROMETHANE MR 1 1994
1,1,2-Trichloroethane MR 1 1994
p-Dichlorobenzene MR 1 1994
cis-1,2-Dichloroethylene MR 1 1994
1,2,4-Trichlorobenzene MR 1 1994
Styrene MR 1 1994
Trichloroethylene MR 1 1994
1,2-Dichloroethane MR 1 1994
Ethylbenzene MR 1 1994
Xylenes, Total MR 1 1994
1,1-Dichloroethylene MR 1 1994
trans-1,2-Dichloroethylene MR 1 1994
CHLOROBENZENE MR 1 1994
1,1,1-Trichloroethane MR 1 1994
Carbon tetrachloride MR 1 1994
Vinyl chloride MR 1 1994
Tetrachloroethylene MR 1 1994
1,2-Dichloropropane MR 1 1994

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 Bunker 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 MO4010883 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 Bunker 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
2015 Coliform (TCR) MR 9 SDWIS / MO4010883 / 3100
2013 Coliform (TCR) MCL 25 SDWIS / MO4010883 / 3100
1994 Toluene MR 1 SDWIS / MO4010883 / 2991
1994 Benzene MR 1 SDWIS / MO4010883 / 2990
1994 o-Dichlorobenzene MR 1 SDWIS / MO4010883 / 2968
1994 DICHLOROMETHANE MR 1 SDWIS / MO4010883 / 2964
1994 1,1,2-Trichloroethane MR 1 SDWIS / MO4010883 / 2985
1994 p-Dichlorobenzene MR 1 SDWIS / MO4010883 / 2969
1994 cis-1,2-Dichloroethylene MR 1 SDWIS / MO4010883 / 2380
1994 1,2,4-Trichlorobenzene MR 1 SDWIS / MO4010883 / 2378
1994 Styrene MR 1 SDWIS / MO4010883 / 2996
1994 Trichloroethylene MR 1 SDWIS / MO4010883 / 2984
1994 1,2-Dichloroethane MR 1 SDWIS / MO4010883 / 2980
1994 Ethylbenzene MR 1 SDWIS / MO4010883 / 2992
1994 Xylenes, Total MR 1 SDWIS / MO4010883 / 2955

How Bunker PWS Compares

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

Metric Bunker PWS Missouri avg Federal benchmark
Total violations 74 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 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 407 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 Bunker PWS water safe to drink? ▼
Bunker PWS (PWS ID: MO4010883) has 74 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 407 people using Groundwater sources.
How many people does Bunker PWS serve? ▼
Bunker PWS serves 407 people in Bunker, Missouri. It is a Local-owned system using Groundwater water sources with 184 service connections.
What type of violations does Bunker PWS have? ▼
Bunker PWS has 74 total violations: 25 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bunker PWS water? ▼
No PFAS testing data is available for Bunker PWS under the EPA's UCMR5 monitoring program.
What water source does Bunker PWS use? ▼
Bunker 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.