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Community Water System · PWS MO1036130

Daviess County PWSD 3

Gallatin, Missouri 64640-0000 - drinking water served from surface water sources to 400 people, tracked in EPA SDWIS and UCMR5.

400
People served
114
EPA violations
104
Health-based
Untested
UCMR5 result

The verdict

EPA records 114 drinking-water violations at Daviess County PWSD 3, 91% of them health-based - above the Missouri per-system average.

114
Total EPA violations on record
91%
Health-based (MCL / treatment failure)
400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Daviess County PWSD 3

Daviess County PWSD 3 is a local-owned community water system that delivers drinking water to 400 residents in Gallatin, Missouri (Daviess County) through 680 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 114 total violations for this system , of which 104 (91%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 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 79 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%).

Daviess County PWSD 3's 114 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
400
Total Violations
114
Health-Based Violations
104
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
680
County
Daviess
School/Daycare
No
MCL Violations
104
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 79 2011
Total Haloacetic Acids (HAA5) MCL 25 2009
Total Haloacetic Acids (HAA5) MR 4 2024
TTHM MR 4 2024

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 Daviess County PWSD 3.

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 MO1036130 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 Daviess County PWSD 3 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 Total Haloacetic Acids (HAA5) MR 4 SDWIS / MO1036130 / 2456
2024 TTHM MR 4 SDWIS / MO1036130 / 2950
2011 TTHM MCL 79 SDWIS / MO1036130 / 2950
2009 Total Haloacetic Acids (HAA5) MCL 25 SDWIS / MO1036130 / 2456

How Daviess County PWSD 3 Compares

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

Metric Daviess County PWSD 3 Missouri avg Federal benchmark
Total violations 114 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 104 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 400 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 Daviess County PWSD 3 water safe to drink?
Daviess County PWSD 3 (PWS ID: MO1036130) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Surface Water sources.
How many people does Daviess County PWSD 3 serve?
Daviess County PWSD 3 serves 400 people in Gallatin, Missouri. It is a Local-owned system using Surface Water water sources with 680 service connections.
What type of violations does Daviess County PWSD 3 have?
Daviess County PWSD 3 has 114 total violations: 104 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Daviess County PWSD 3 water?
No PFAS testing data is available for Daviess County PWSD 3 under the EPA's UCMR5 monitoring program.
What water source does Daviess County PWSD 3 use?
Daviess County PWSD 3 uses Surface Water 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.