States ›Idaho ›Ada County ›Kuna

Kuna, ID Tap Water Quality 2026

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

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

Main Utility: Kuna City Of PWSID: ID4010085 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

Kuna earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS tested, none detected
175 violations since 2015, 0 health-based
No violations currently open
Kuna's lead level vs. all Idaho community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Idaho utilities
Population Served
21642
~11363 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
175 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
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2022 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2022 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2022 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2022 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2022 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2022 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2022 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2022 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2022 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2022 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2022 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2022 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2022 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2022 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2022 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2022 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2022 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2022 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 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

175 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Kuna City Of
PWSID ID4010085
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 21,642
Service connections 11,363
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Kuna tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Kuna water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Kuna? ▼
Kuna City Of (PWSID ID4010085), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-06-26. No significant deficiencies were recorded.

What Should Kuna 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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