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JONESBORO WATER SYSTEM

PWS ID: LA1049010 · JONESBORO, Louisiana 71251

JONESBORO WATER SYSTEM serves 6,231 people in JONESBORO, Louisiana using Groundwater water sources. It has 603 recorded EPA violations, including 204 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: JONESBORO WATER SYSTEM

JONESBORO WATER SYSTEM is a local-owned community water system that delivers drinking water to 6,231 residents in JONESBORO, Louisiana (Jackson Parish County) through 2,077 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 603 total violations for this system , of which 204 (34%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 234 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 177 violations (TT, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 16.9 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. JONESBORO WATER SYSTEM's 603 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
6,231
Total Violations
603
Health-Based Violations
204
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,077
County
Jackson Parish
School/Daycare
No
MCL Violations
26
Monitoring Violations
234
Treatment Tech Violations
178

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 177 2025
Public Notice Other 118 2019
Coliform (TCR) MR 71 2015
Total Haloacetic Acids (HAA5) MR 56 2015
TTHM MR 56 2015
Chlorine MR 36 2019
Consumer Confidence Rule Other 26 2022
Coliform (TCR) MCL 26 2014
Lead and Copper Rule MR 13 2022
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2013
LEAD AND COPPER RULE REVISIONS TT 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 5/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 5/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 5/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 5/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 5/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 5/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 5/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/9/2024 12.2000 µg/L 9 µg/L Detected
PFOS 5/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/9/2024 <0.004 µg/L 0.004 µg/L 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 JONESBORO 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 LA1049010 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
2025 Groundwater Rule TT 177 SDWIS / LA1049010 / 0700
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / LA1049010 / 5200
2022 Consumer Confidence Rule Other 26 SDWIS / LA1049010 / 7000
2022 Lead and Copper Rule MR 13 SDWIS / LA1049010 / 5000
2019 Public Notice Other 118 SDWIS / LA1049010 / 7500
2019 Chlorine MR 36 SDWIS / LA1049010 / 0999
2015 Coliform (TCR) MR 71 SDWIS / LA1049010 / 3100
2015 Total Haloacetic Acids (HAA5) MR 56 SDWIS / LA1049010 / 2456
2015 TTHM MR 56 SDWIS / LA1049010 / 2950
2014 Coliform (TCR) MCL 26 SDWIS / LA1049010 / 3100
2013 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / LA1049010 / 0600

How JONESBORO WATER SYSTEM Compares

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

Metric JONESBORO WATER SYSTEM Louisiana avg Federal benchmark
Total violations 603 93.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 204 50.4 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 82.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 6,231 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 JONESBORO WATER SYSTEM water safe to drink? ▼
JONESBORO WATER SYSTEM (PWS ID: LA1049010) has 603 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 6,231 people using Groundwater sources.
How many people does JONESBORO WATER SYSTEM serve? ▼
JONESBORO WATER SYSTEM serves 6,231 people in JONESBORO, Louisiana. It is a Local-owned system using Groundwater water sources with 2,077 service connections.
What type of violations does JONESBORO WATER SYSTEM have? ▼
JONESBORO WATER SYSTEM has 603 total violations: 204 health-based violations (MCL exceedances or treatment failures), 234 monitoring/reporting violations, and 178 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JONESBORO WATER SYSTEM water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in JONESBORO WATER SYSTEM's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does JONESBORO WATER SYSTEM use? ▼
JONESBORO 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial