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Community Water System · PWS LA1063109

Diversion Water River Highlands

Prairieville, Louisiana 70769 - drinking water served from groundwater sources to 1,356 people, tracked in EPA SDWIS and UCMR5.

1,356
People served
22
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 22 drinking-water violations at Diversion Water River Highlands, 55% of them health-based - below the Louisiana per-system average.

22
Total EPA violations on record
55%
Health-based (MCL / treatment failure)
1,356
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Diversion Water River Highlands

Diversion Water River Highlands is a private-owned community water system that delivers drinking water to 1,356 residents in Prairieville, Louisiana (Livingston Parish County) through 452 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 22 total violations for this system , of which 12 (55%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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%).

Diversion Water River Highlands's 22 violations sit below 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
1,356
Total Violations
22
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
452
County
Livingston Parish
School/Daycare
No
MCL Violations
12
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2001
Lead and Copper Rule MR 5 2020
Coliform (TCR) MR 3 2003
Consumer Confidence Rule Other 2 1999

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 Diversion Water River Highlands.

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 LA1063109 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
2020 Lead and Copper Rule MR 5 SDWIS / LA1063109 / 5000
2003 Coliform (TCR) MR 3 SDWIS / LA1063109 / 3100
2001 Coliform (TCR) MCL 12 SDWIS / LA1063109 / 3100
1999 Consumer Confidence Rule Other 2 SDWIS / LA1063109 / 7000

How Diversion Water River Highlands Compares

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

Metric Diversion Water River Highlands Louisiana avg Federal benchmark
Total violations 22 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 1,356 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 Diversion Water River Highlands water safe to drink?
Diversion Water River Highlands (PWS ID: LA1063109) has 22 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,356 people using Groundwater sources.
How many people does Diversion Water River Highlands serve?
Diversion Water River Highlands serves 1,356 people in Prairieville, Louisiana. It is a Private-owned system using Groundwater water sources with 452 service connections.
What type of violations does Diversion Water River Highlands have?
Diversion Water River Highlands has 22 total violations: 12 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Diversion Water River Highlands water?
No PFAS testing data is available for Diversion Water River Highlands under the EPA's UCMR5 monitoring program.
What water source does Diversion Water River Highlands use?
Diversion Water River Highlands 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.
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.