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Oil City, LA Tap Water Quality 2026

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

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

Main Utility: Town Of Oil City Water System PWSID: LA1017026 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Oil City earns a B 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
90 violations since 2015, 61 health-based
No violations currently open
Oil City'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
863
~716 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
90 since 2015, all resolved

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
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.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.116 MG/L 0.080 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.076 MG/L 0.060 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.131 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.152 MG/L 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.094 MG/L 0.060 mg/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.106 MG/L 0.060 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.178 MG/L 0.080 mg/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
TTHM MCL EXCEEDANCE 0.16 MG/L 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.101 MG/L 0.060 mg/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.103 MG/L 0.060 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.147 MG/L 0.080 mg/L 2021 Resolved
Public Notice OTHER — — 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.085 MG/L 0.060 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.152 MG/L 0.080 mg/L 2020 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE 0.98 RATIO TT 2020 Resolved
Public Notice OTHER — — 2020 Resolved
TTHM MCL EXCEEDANCE 0.112 MG/L 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.07 MG/L 0.060 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.112 MG/L 0.080 mg/L 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.076 MG/L 0.060 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.136 MG/L 0.080 mg/L 2020 Resolved
Public Notice OTHER — — 2019 Resolved
TTHM MCL EXCEEDANCE 0.169 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.144 MG/L 0.060 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.136 MG/L 0.060 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.171 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.153 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.127 MG/L 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.147 MG/L 0.060 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.119 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 100 UG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 86 UG/L 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 99 UG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 91 UG/L 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 91 UG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 91 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 96 UG/L 0.080 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
TTHM MCL EXCEEDANCE 104 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 82 UG/L 0.080 mg/L 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 69 UG/L 0.060 mg/L 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 87 UG/L 0.060 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 96 UG/L 0.080 mg/L 2016 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE — TT 2016 Archived
TTHM MCL EXCEEDANCE 141 UG/L 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 141 UG/L 0.060 mg/L 2016 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE — TT 2016 Archived
Public Notice OTHER — — 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE — TT 2015 Archived
TTHM MCL EXCEEDANCE 119 UG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 138 UG/L 0.060 mg/L 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Public Notice OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 120 UG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 127 UG/L 0.060 mg/L 2015 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE — TT 2015 Archived
Public Notice OTHER — — 2015 Resolved
Public Notice OTHER — — 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Public Notice OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 115 UG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 133 UG/L 0.060 mg/L 2015 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE — TT 2015 Archived
Public Notice OTHER — — 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Addressed
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 98 UG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 85 UG/L 0.060 mg/L 2015 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE — TT 2015 Archived
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

90 violations are on record since 2015, of which 61 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Town Of Oil City Water System
PWSID LA1017026
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 863
Service connections 716
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Oil City tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does Oil City 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 Oil City? ▼
Town Of Oil City Water System (PWSID LA1017026). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2024-08-23. No significant deficiencies were recorded.

What Should Oil City 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
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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