PlainWater

EROS WATER SYSTEM

PWS ID: LA1049007 · EROS, Louisiana 71238

EROS WATER SYSTEM serves 318 people in EROS, Louisiana using Groundwater water sources. It has 389 recorded EPA violations, including 240 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: EROS WATER SYSTEM

EROS WATER SYSTEM is a local-owned community water system that delivers drinking water to 318 residents in EROS, Louisiana (Jackson Parish County) through 106 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 389 total violations for this system , of which 240 (62%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 85 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 204 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. EROS WATER SYSTEM's 389 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
318
Total Violations
389
Health-Based Violations
240
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
106
County
Jackson Parish
School/Daycare
No
MCL Violations
213
Monitoring Violations
85
Treatment Tech Violations
27

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 204 2019
TTHM MR 45 2017
Public Notice Other 37 2024
Total Haloacetic Acids (HAA5) MR 33 2014
Groundwater Rule TT 27 2023
Consumer Confidence Rule Other 14 2024
Coliform (TCR) MCL 9 1995
Lead and Copper Rule MR 7 2023

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 EROS 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 LA1049007 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
2024 Public Notice Other 37 SDWIS / LA1049007 / 7500
2024 Consumer Confidence Rule Other 14 SDWIS / LA1049007 / 7000
2023 Groundwater Rule TT 27 SDWIS / LA1049007 / 0700
2023 Lead and Copper Rule MR 7 SDWIS / LA1049007 / 5000
2019 TTHM MCL 204 SDWIS / LA1049007 / 2950
2017 TTHM MR 45 SDWIS / LA1049007 / 2950
2014 Total Haloacetic Acids (HAA5) MR 33 SDWIS / LA1049007 / 2456
1995 Coliform (TCR) MCL 9 SDWIS / LA1049007 / 3100

How EROS WATER SYSTEM Compares

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

Metric EROS WATER SYSTEM Louisiana avg Federal benchmark
Total violations 389 93.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 240 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 318 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 EROS WATER SYSTEM water safe to drink?
EROS WATER SYSTEM (PWS ID: LA1049007) has 389 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 318 people using Groundwater sources.
How many people does EROS WATER SYSTEM serve?
EROS WATER SYSTEM serves 318 people in EROS, Louisiana. It is a Local-owned system using Groundwater water sources with 106 service connections.
What type of violations does EROS WATER SYSTEM have?
EROS WATER SYSTEM has 389 total violations: 240 health-based violations (MCL exceedances or treatment failures), 85 monitoring/reporting violations, and 27 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in EROS WATER SYSTEM water?
No PFAS testing data is available for EROS WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does EROS WATER SYSTEM use?
EROS 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 PlainWater Editorial