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Community Water System · PWS LA1079012

Hineston Water System, Inc

Hineston, Louisiana 71438 - drinking water served from groundwater sources to 1,089 people, tracked in EPA SDWIS and UCMR5.

1,089
People served
151
EPA violations
121
Health-based
Untested
UCMR5 result

The verdict

EPA records 151 drinking-water violations at Hineston Water System, Inc, 80% of them health-based - above the Louisiana per-system average.

151
Total EPA violations on record
80%
Health-based (MCL / treatment failure)
1,089
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hineston Water System, Inc

Hineston Water System, Inc is a private-owned community water system that delivers drinking water to 1,089 residents in Hineston, Louisiana (Rapides Parish County) through 363 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 151 total violations for this system , of which 121 (80%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 22 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Arsenic, recorded in 104 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%).

Hineston Water System, Inc's 151 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
1,089
Total Violations
151
Health-Based Violations
121
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
363
County
Rapides Parish
School/Daycare
No
MCL Violations
118
Monitoring Violations
22
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 104 2012
Coliform (TCR) MCL 14 1993
Chlorine MR 7 2018
Lead and Copper Rule MR 3 2004
Consumer Confidence Rule Other 3 1999
Groundwater Rule TT 3 2013
Revised Total Coliform Rule MON 3 2018
Coliform (TCR) MR 3 2014
Total Haloacetic Acids (HAA5) MR 3 2004
TTHM MR 3 2004

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 Hineston Water System, Inc.

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 LA1079012 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
2018 Chlorine MR 7 SDWIS / LA1079012 / 0999
2018 Revised Total Coliform Rule MON 3 SDWIS / LA1079012 / 8000
2014 Coliform (TCR) MR 3 SDWIS / LA1079012 / 3100
2013 Groundwater Rule TT 3 SDWIS / LA1079012 / 0700
2012 Arsenic MCL 104 SDWIS / LA1079012 / 1005
2004 Lead and Copper Rule MR 3 SDWIS / LA1079012 / 5000
2004 Total Haloacetic Acids (HAA5) MR 3 SDWIS / LA1079012 / 2456
2004 TTHM MR 3 SDWIS / LA1079012 / 2950
1999 Consumer Confidence Rule Other 3 SDWIS / LA1079012 / 7000
1993 Coliform (TCR) MCL 14 SDWIS / LA1079012 / 3100

How Hineston Water System, Inc Compares

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

Metric Hineston Water System, Inc Louisiana avg Federal benchmark
Total violations 151 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 121 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 1,089 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 Hineston Water System, Inc water safe to drink? ▼
Hineston Water System, Inc (PWS ID: LA1079012) has 151 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,089 people using Groundwater sources.
How many people does Hineston Water System, Inc serve? ▼
Hineston Water System, Inc serves 1,089 people in Hineston, Louisiana. It is a Private-owned system using Groundwater water sources with 363 service connections.
What type of violations does Hineston Water System, Inc have? ▼
Hineston Water System, Inc has 151 total violations: 121 health-based violations (MCL exceedances or treatment failures), 22 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hineston Water System, Inc water? ▼
No PFAS testing data is available for Hineston Water System, Inc under the EPA's UCMR5 monitoring program.
What water source does Hineston Water System, Inc use? ▼
Hineston Water System, Inc 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.