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Community Water System · PWS LA1053003

City of Jennings Water System

Jennings, Louisiana 70546 - drinking water served from groundwater sources to 9,837 people, tracked in EPA SDWIS and UCMR5.

9,837
People served
31
EPA violations
26
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 31 drinking-water violations at City of Jennings Water System, 84% of them health-based - below the Louisiana per-system average.

31
Total EPA violations on record
84%
Health-based (MCL / treatment failure)
9,837
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: City of Jennings Water System

City of Jennings Water System is a local-owned community water system that delivers drinking water to 9,837 residents in Jennings, Louisiana (Jefferson Davis Parish County) through 4,458 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 26 (84%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4 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 Coliform (TCR), recorded in 15 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

City of Jennings Water System's 31 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
9,837
Total Violations
31
Health-Based Violations
26
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
4,458
County
Jefferson Davis Parish
School/Daycare
No
MCL Violations
15
Monitoring Violations
4
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 15 2011
Groundwater Rule TT 11 2024
Coliform (TCR) MR 4 2013
Consumer Confidence Rule Other 1 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 4/15/2024 <6.00 ppt 6.00 ppt Not Detected
PFOA 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 4/15/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 4/15/2024 <2.00 ppt 2.00 ppt Not Detected
PFTA 4/15/2024 <8.00 ppt 8.00 ppt Not Detected
ADONA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/15/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 4/15/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFOS 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFMPA 10/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 10/31/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 10/31/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 10/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 10/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 10/31/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 10/31/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 10/31/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 10/31/2023 <6.00 ppt 6.00 ppt Not Detected
PFHxS 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 10/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 10/31/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 10/31/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 10/31/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 10/31/2023 <5.00 ppt 5.00 ppt Not Detected

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 City of Jennings 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 LA1053003 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 11 SDWIS / LA1053003 / 0700
2013 Coliform (TCR) MR 4 SDWIS / LA1053003 / 3100
2011 Coliform (TCR) MCL 15 SDWIS / LA1053003 / 3100
1999 Consumer Confidence Rule Other 1 SDWIS / LA1053003 / 7000

How City of Jennings Water System Compares

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

Metric City of Jennings Water System Louisiana avg Federal benchmark
Total violations 31 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 26 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 9,837 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 City of Jennings Water System water safe to drink? ▼
City of Jennings Water System (PWS ID: LA1053003) has 31 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,837 people using Groundwater sources.
How many people does City of Jennings Water System serve? ▼
City of Jennings Water System serves 9,837 people in Jennings, Louisiana. It is a Local-owned system using Groundwater water sources with 4,458 service connections.
What type of violations does City of Jennings Water System have? ▼
City of Jennings Water System has 31 total violations: 26 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in City of Jennings Water System water? ▼
No. City of Jennings Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does City of Jennings Water System use? ▼
City of Jennings 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.