States ›California ›Tulare County ›Tonyville

Tonyville, CA Tap Water Quality 2026

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

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

Main Utility: Lsid - Tonyville PWSID: CA5410007 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Tonyville earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
25 violations since 2015, 22 health-based
No violations currently open
Tonyville's lead level vs. all California community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of California utilities
Population Served
296
~50 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
25 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Nitrate MCL EXCEEDANCE 14 MG/L 10 mg/L 2026 Archived
Nitrate MCL EXCEEDANCE 16 MG/L 10 mg/L 2025 Archived
Nitrate MCL EXCEEDANCE 15 MG/L 10 mg/L 2025 Archived
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Addressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Addressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Addressed
Nitrate MCL EXCEEDANCE 13 MG/L 10 mg/L 2021 Archived
Nitrate MCL EXCEEDANCE 14 MG/L 10 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.075 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.098 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.098 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.119 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.13 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.124 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.148 MG/L 0.080 mg/L 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.11 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.158 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.083 MG/L 0.060 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.129 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2016 Resolved
Nitrate-Nitrite MCL EXCEEDANCE 14 MG/L — 2016 Archived
Nitrate-Nitrite MCL EXCEEDANCE 14 MG/L — 2016 Archived
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.092 MG/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

25 violations are on record since 2015, of which 22 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lsid - Tonyville
PWSID CA5410007
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 296
Service connections 50
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Tonyville tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Tonyville 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 Tonyville? ▼
Lsid - Tonyville (PWSID CA5410007). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2022-10-25. No significant deficiencies were recorded.

What Should Tonyville 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.

Nearby Cities in California

Visalia, Ca Tap Water Quality 2026 Tulare Tulare, Ca Tap Water Quality 2026 Tulare Porterville, Ca Tap Water Quality 2026 Tulare Dinuba, Ca Tap Water Quality 2026 Tulare Lindsay, Ca Tap Water Quality 2026 Tulare Farmersville, Ca Tap Water Quality 2026 Tulare