Water Quality in PHOENIX, AZ (85027)

EPA violation data for public water systems serving ZIP code 85027.

107

Total Violations

Health-Based

Monitoring / Reporting

105

Resolved

What does this mean?

105 of 107 violations have been resolved. 70 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 37 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 10 Population served: 4,331

Violations Detail (107 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Chlorine	Monitoring	N/A	N/A	May 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	May 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Fluoride	Health-Based	N/A	4.2	Dec 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.2	Dec 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.2	Dec 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Dec 19, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 19, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 19, 2024	Active	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
Fluoride	Health-Based	N/A	4.5	Sep 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Sep 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Sep 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Sep 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Jun 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Jun 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Jun 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Jun 30, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Mar 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Mar 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Mar 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Mar 31, 2024	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Dec 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Dec 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Dec 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.5	Dec 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Fluoride	Health-Based	N/A	4.7	Sep 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.7	Sep 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.7	Sep 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.7	Sep 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.8	Jun 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.8	Jun 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.8	Jun 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.8	Jun 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Chlorine	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Fluoride	Health-Based	N/A	4.9	Mar 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.9	Mar 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.9	Mar 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.9	Mar 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Dec 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Dec 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Dec 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Dec 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Fluoride	Health-Based	N/A	5.1	Sep 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Sep 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Sep 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Fluoride	Health-Based	N/A	5.1	Jun 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Jun 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	5.1	Jun 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Fluoride	Health-Based	N/A	4.8	Mar 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.8	Mar 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.8	Mar 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Arsenic	Health-Based	N/A	0.016	Dec 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.016	Dec 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.016	Dec 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Fluoride	Health-Based	N/A	4.6	Dec 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Dec 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Dec 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Dec 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Fluoride	Health-Based	N/A	4.6	Sep 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Sep 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Sep 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Sep 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Jun 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Fluoride	Health-Based	N/A	4.6	Jun 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.6	Jun 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.9	Mar 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.9	Mar 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Health-Based	N/A	4.9	Mar 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth

Lead & Copper Levels

Violation Timeline

2025(6)

Chlorine

May 31Resolved

Chlorine

May 31Resolved

Chlorine

Apr 30Resolved

Chlorine

Apr 30Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

2024(34)

Fluoride

Dec 31Resolved

Fluoride

Dec 31Resolved

Fluoride

Dec 31Resolved

Lead and Copper Rule

Dec 31Active

Public Notice

Dec 19Resolved

Public Notice

Dec 19Resolved

Public Notice

Dec 19Active