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Community Water System · PWS LA1127015

Hudson Gaars Mill Water System

Dodson, Louisiana 71422 - drinking water served from groundwater sources to 660 people, tracked in EPA SDWIS and UCMR5.

660
People served
1,416
EPA violations
891
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,416 drinking-water violations at Hudson Gaars Mill Water System, 63% of them health-based - above the Louisiana per-system average.

1,416
Total EPA violations on record
63%
Health-based (MCL / treatment failure)
660
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hudson Gaars Mill Water System

Hudson Gaars Mill Water System is a private-owned community water system that delivers drinking water to 660 residents in Dodson, Louisiana (Winn Parish County) through 220 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,416 total violations for this system , of which 891 (63%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 442 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is TTHM, recorded in 528 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 Louisiana, EPA tracks 1,234 public water systems serving 5,316,532 people, with 115,060 cumulative violations and 62,164 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 93.2 violations. Statewide, 218 of 265 UCMR5-tested systems have reported PFAS detections (82.3%).

Hudson Gaars Mill Water System's 1,416 violations sit above the Louisiana 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
660
Total Violations
1,416
Health-Based Violations
891
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
220
County
Winn Parish
School/Daycare
No
MCL Violations
886
Monitoring Violations
442
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 528 2021
Total Haloacetic Acids (HAA5) MCL 344 2021
TTHM MR 220 2017
Total Haloacetic Acids (HAA5) MR 220 2017
Public Notice Other 41 2021
Consumer Confidence Rule Other 40 2015
Coliform (TCR) MCL 14 2003
Groundwater Rule TT 5 2019
Lead and Copper Rule MR 2 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 Hudson Gaars Mill Water System.

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 LA1127015 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Louisiana Drinking Water Authority

Louisiana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find LA regulator via EPA SDWIS

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
2021 TTHM MCL 528 SDWIS / LA1127015 / 2950
2021 Total Haloacetic Acids (HAA5) MCL 344 SDWIS / LA1127015 / 2456
2021 Public Notice Other 41 SDWIS / LA1127015 / 7500
2019 Groundwater Rule TT 5 SDWIS / LA1127015 / 0700
2017 TTHM MR 220 SDWIS / LA1127015 / 2950
2017 Total Haloacetic Acids (HAA5) MR 220 SDWIS / LA1127015 / 2456
2016 Lead and Copper Rule MR 2 SDWIS / LA1127015 / 5000
2015 Consumer Confidence Rule Other 40 SDWIS / LA1127015 / 7000
2003 Coliform (TCR) MCL 14 SDWIS / LA1127015 / 3100

How Hudson Gaars Mill Water System Compares

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

Metric Hudson Gaars Mill Water System Louisiana avg Federal benchmark
Total violations 1,416 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 891 50.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 82.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 660 4,308 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,234 regulated public water systems in Louisiana.

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 Hudson Gaars Mill Water System water safe to drink? ▼
Hudson Gaars Mill Water System (PWS ID: LA1127015) has 1416 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 660 people using Groundwater sources.
How many people does Hudson Gaars Mill Water System serve? ▼
Hudson Gaars Mill Water System serves 660 people in Dodson, Louisiana. It is a Private-owned system using Groundwater water sources with 220 service connections.
What type of violations does Hudson Gaars Mill Water System have? ▼
Hudson Gaars Mill Water System has 1,416 total violations: 891 health-based violations (MCL exceedances or treatment failures), 442 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hudson Gaars Mill Water System water? ▼
No PFAS testing data is available for Hudson Gaars Mill Water System under the EPA's UCMR5 monitoring program.
What water source does Hudson Gaars Mill Water System use? ▼
Hudson Gaars Mill Water System 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.