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Plain Dealing, LA Tap Water Quality 2026

Water quality report for Plain Dealing, LA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Plain Dealing's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Town Of Plain Dealing Water System PWSID: LA1015016 Updated: 2026 Q2
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3 violations currently open

Lead is 1.00 ppb, 7% of the action level. PFAS has never been sampled at this system.

F

Plain Dealing earns an F for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.00 ppb — 7% of the federal action level
PFAS never sampled at this system
39 violations since 2015, 33 health-based
3 violations currently open
Plain Dealing's lead level vs. all Louisiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 88% of Louisiana utilities
Population Served
885
~782 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
3
3 open of 39 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
107.7% of EPA action level
1,400 ppb
Action level: 1,300 ppb
The 90th-percentile lead result is 1.00 ppb, 7% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Public Notice OTHER — — 2022 Resolved
TTHM MCL EXCEEDANCE 0.103 MG/L 0.080 mg/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.183 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.207 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.063 MG/L 0.060 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.253 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.062 MG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.268 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 259 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 317 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 303 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 298 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 262 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 244 UG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 91 UG/L 0.060 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 79 UG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 226 UG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 82 UG/L 0.060 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 218 UG/L 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 73 UG/L 0.060 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 179 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 187 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 232 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 257 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 350 UG/L 0.080 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 319 UG/L 0.080 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 292 UG/L 0.080 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

3 violations remain open, out of 39 recorded since 2015 (33 health-based).

About the Main Water System

Utility Town Of Plain Dealing Water System
PWSID LA1015016
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 885
Service connections 782
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Plain Dealing tap water safe to drink? ▼
No federal limit is exceeded on record. 3 violation(s) remain open. Lead is 1.00 ppb, 7% of the action level.
Does Plain Dealing water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Plain Dealing? ▼
Town Of Plain Dealing Water System (PWSID LA1015016). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-04-11. Inspectors recorded 3 significant deficiencies.

What Should Plain Dealing Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

Nearby Cities in Louisiana

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