PlainWater

TOWN OF OBERLIN WATER SYSTEM

PWS ID: LA1003007 · OBERLIN, Louisiana 70655

TOWN OF OBERLIN WATER SYSTEM serves 2,730 people in OBERLIN, Louisiana using Groundwater water sources. It has 102 recorded EPA violations, including 27 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TOWN OF OBERLIN WATER SYSTEM

TOWN OF OBERLIN WATER SYSTEM is a local-owned community water system that delivers drinking water to 2,730 residents in OBERLIN, Louisiana (Allen Parish County) through 910 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 102 total violations for this system , of which 27 (26%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 50 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 20 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. TOWN OF OBERLIN WATER SYSTEM's 102 violations sit above the Louisiana average. Statewide, 218 of 265 UCMR5-tested systems have reported PFAS detections (82.3%). 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
2,730
Total Violations
102
Health-Based Violations
27
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
910
County
Allen Parish
School/Daycare
No
MCL Violations
20
Monitoring Violations
50
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 20 2012
E. COLI MR 13 2022
Total Haloacetic Acids (HAA5) MR 11 2012
TTHM MR 11 2012
Public Notice Other 10 2023
Coliform (TCR) MR 10 2013
Consumer Confidence Rule Other 8 2017
Groundwater Rule TT 7 2023
Chlorine MR 4 2016
Lead and Copper Rule 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 TOWN OF OBERLIN 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 LA1003007 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
2023 Public Notice Other 10 SDWIS / LA1003007 / 7500
2023 Groundwater Rule TT 7 SDWIS / LA1003007 / 0700
2022 E. COLI MR 13 SDWIS / LA1003007 / 3014
2017 Consumer Confidence Rule Other 8 SDWIS / LA1003007 / 7000
2016 Chlorine MR 4 SDWIS / LA1003007 / 0999
2013 Coliform (TCR) MR 10 SDWIS / LA1003007 / 3100
2012 Coliform (TCR) MCL 20 SDWIS / LA1003007 / 3100
2012 Total Haloacetic Acids (HAA5) MR 11 SDWIS / LA1003007 / 2456
2012 TTHM MR 11 SDWIS / LA1003007 / 2950
1994 Lead and Copper Rule MR 1 SDWIS / LA1003007 / 5000

How TOWN OF OBERLIN WATER SYSTEM Compares

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

Metric TOWN OF OBERLIN WATER SYSTEM Louisiana avg Federal benchmark
Total violations 102 93.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 27 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 2,730 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is TOWN OF OBERLIN WATER SYSTEM water safe to drink?
TOWN OF OBERLIN WATER SYSTEM (PWS ID: LA1003007) has 102 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,730 people using Groundwater sources.
How many people does TOWN OF OBERLIN WATER SYSTEM serve?
TOWN OF OBERLIN WATER SYSTEM serves 2,730 people in OBERLIN, Louisiana. It is a Local-owned system using Groundwater water sources with 910 service connections.
What type of violations does TOWN OF OBERLIN WATER SYSTEM have?
TOWN OF OBERLIN WATER SYSTEM has 102 total violations: 27 health-based violations (MCL exceedances or treatment failures), 50 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TOWN OF OBERLIN WATER SYSTEM water?
No PFAS testing data is available for TOWN OF OBERLIN WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does TOWN OF OBERLIN WATER SYSTEM use?
TOWN OF OBERLIN 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial