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ROCKY BRANCH WATER SYSTEM

PWS ID: LA1111013 · FARMERVILLE, Louisiana 71241

ROCKY BRANCH WATER SYSTEM serves 1,650 people in FARMERVILLE, Louisiana using Groundwater water sources. It has 293 recorded EPA violations, including 235 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROCKY BRANCH WATER SYSTEM

ROCKY BRANCH WATER SYSTEM is a local-owned community water system that delivers drinking water to 1,650 residents in FARMERVILLE, Louisiana (Union Parish County) through 550 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 293 total violations for this system , of which 235 (80%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is TTHM, recorded in 197 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. ROCKY BRANCH WATER SYSTEM's 293 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
1,650
Total Violations
293
Health-Based Violations
235
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
550
County
Union Parish
School/Daycare
No
MCL Violations
200
Monitoring Violations
52
Treatment Tech Violations
35

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 197 2019
Groundwater Rule TT 35 2022
TTHM MR 32 2017
Total Haloacetic Acids (HAA5) MR 16 2014
Coliform (TCR) MR 4 2014
Coliform (TCR) MCL 3 1992
Consumer Confidence Rule Other 3 2014
Public Notice Other 1 2022

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 ROCKY BRANCH 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 LA1111013 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
2022 Groundwater Rule TT 35 SDWIS / LA1111013 / 0700
2022 Public Notice Other 1 SDWIS / LA1111013 / 7500
2019 TTHM MCL 197 SDWIS / LA1111013 / 2950
2017 TTHM MR 32 SDWIS / LA1111013 / 2950
2014 Total Haloacetic Acids (HAA5) MR 16 SDWIS / LA1111013 / 2456
2014 Coliform (TCR) MR 4 SDWIS / LA1111013 / 3100
2014 Consumer Confidence Rule Other 3 SDWIS / LA1111013 / 7000
1992 Coliform (TCR) MCL 3 SDWIS / LA1111013 / 3100

How ROCKY BRANCH WATER SYSTEM Compares

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

Metric ROCKY BRANCH WATER SYSTEM Louisiana avg Federal benchmark
Total violations 293 93.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 235 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 1,650 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 ROCKY BRANCH WATER SYSTEM water safe to drink?
ROCKY BRANCH WATER SYSTEM (PWS ID: LA1111013) has 293 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,650 people using Groundwater sources.
How many people does ROCKY BRANCH WATER SYSTEM serve?
ROCKY BRANCH WATER SYSTEM serves 1,650 people in FARMERVILLE, Louisiana. It is a Local-owned system using Groundwater water sources with 550 service connections.
What type of violations does ROCKY BRANCH WATER SYSTEM have?
ROCKY BRANCH WATER SYSTEM has 293 total violations: 235 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 35 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROCKY BRANCH WATER SYSTEM water?
No PFAS testing data is available for ROCKY BRANCH WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does ROCKY BRANCH WATER SYSTEM use?
ROCKY BRANCH 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