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Community Water System · PWS LA1069009

Provencal Water System

Provencal, Louisiana 71468 - drinking water served from groundwater sources to 702 people, tracked in EPA SDWIS and UCMR5.

702
People served
170
EPA violations
66
Health-based
Untested
UCMR5 result

The verdict

EPA records 170 drinking-water violations at Provencal Water System, 39% of them health-based - above the Louisiana per-system average.

170
Total EPA violations on record
39%
Health-based (MCL / treatment failure)
702
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Provencal Water System

Provencal Water System is a local-owned community water system that delivers drinking water to 702 residents in Provencal, Louisiana (Natchitoches Parish County) through 234 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 170 total violations for this system , of which 66 (39%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 49 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 Groundwater Rule, recorded in 55 violations (TT, 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%).

Provencal Water System's 170 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
702
Total Violations
170
Health-Based Violations
66
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
234
County
Natchitoches Parish
School/Daycare
No
MCL Violations
7
Monitoring Violations
49
Treatment Tech Violations
59

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 55 2024
Public Notice Other 27 2024
Coliform (TCR) MR 23 2016
Chlorine MR 16 2016
Consumer Confidence Rule Other 8 2014
TTHM MR 4 2013
Total Haloacetic Acids (HAA5) MR 4 2013
TTHM MCL 4 2015
Revised Total Coliform Rule TT 4 2016
Coliform (TCR) MCL 3 1999
Lead and Copper Rule MR 2 2016

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 Provencal 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 LA1069009 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 Groundwater Rule TT 55 SDWIS / LA1069009 / 0700
2024 Public Notice Other 27 SDWIS / LA1069009 / 7500
2016 Coliform (TCR) MR 23 SDWIS / LA1069009 / 3100
2016 Chlorine MR 16 SDWIS / LA1069009 / 0999
2016 Revised Total Coliform Rule TT 4 SDWIS / LA1069009 / 8000
2016 Lead and Copper Rule MR 2 SDWIS / LA1069009 / 5000
2015 TTHM MCL 4 SDWIS / LA1069009 / 2950
2014 Consumer Confidence Rule Other 8 SDWIS / LA1069009 / 7000
2013 TTHM MR 4 SDWIS / LA1069009 / 2950
2013 Total Haloacetic Acids (HAA5) MR 4 SDWIS / LA1069009 / 2456
1999 Coliform (TCR) MCL 3 SDWIS / LA1069009 / 3100

How Provencal Water System Compares

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

Metric Provencal Water System Louisiana avg Federal benchmark
Total violations 170 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 66 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 702 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 Provencal Water System water safe to drink? ▼
Provencal Water System (PWS ID: LA1069009) has 170 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 702 people using Groundwater sources.
How many people does Provencal Water System serve? ▼
Provencal Water System serves 702 people in Provencal, Louisiana. It is a Local-owned system using Groundwater water sources with 234 service connections.
What type of violations does Provencal Water System have? ▼
Provencal Water System has 170 total violations: 66 health-based violations (MCL exceedances or treatment failures), 49 monitoring/reporting violations, and 59 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Provencal Water System water? ▼
No PFAS testing data is available for Provencal Water System under the EPA's UCMR5 monitoring program.
What water source does Provencal Water System use? ▼
Provencal 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.
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.