Public water system record

SCUA UPPER PERIDOT

Federal records show 5 health-based violations and 17 monitoring/reporting issues for SCUA UPPER PERIDOT in the last ten years, including an unresolved Groundwater Rule violation.

090400242
SAN CARLOS
AZ
275 served

System profile

Source water Groundwater

ZIP 85550

Acute record in 10 years No

Verify this system on EPA ECHO →

Health-based records

Last 10 years

Monitoring issues

Last 10 years

Resolved vs. unresolved

18 resolved • 4 unresolved

PWSID

090400242

EPA public water system identifier

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Health-based violations

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant	Rule family	Start date	Status	Acute
Groundwater Rule Treatment technique failure	140	Nov 28, 2025	Unresolved	No
Groundwater Rule Treatment technique failure	140	Nov 28, 2025	Unresolved	No
Groundwater Rule Treatment technique failure	140	Nov 28, 2025	Unresolved	No
Groundwater Rule Treatment technique failure	140	Jan 19, 2024	Resolved	No
Groundwater Rule Treatment technique failure	140	Jan 19, 2024	Resolved	No

Monitoring and reporting issues

Monitoring violations are administrative records. They mean required testing or reporting was missed, not that a contaminant was found above a safe level.

Issue	Start date	Status
Fluoride Monitoring and reporting	Oct 1, 2025	Resolved
LEAD AND COPPER RULE REVISIONS RPT	Nov 16, 2024	Unresolved
Monitoring and Reporting OTHER	Jan 19, 2024	Resolved
Monitoring and Reporting OTHER	Jan 19, 2024	Resolved
Consumer Confidence Report RPT	Feb 1, 2023	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2022	Resolved
Nitrate Monitoring and reporting	Jan 1, 2022	Resolved
E. coli Monitoring and reporting	Nov 1, 2019	Resolved
Consumer Confidence Report RPT	Mar 1, 2019	Resolved
Consumer Confidence Report RPT	Feb 1, 2019	Resolved
Consumer Confidence Report RPT	Jan 1, 2019	Resolved
Consumer Confidence Report RPT	Dec 1, 2018	Resolved
Consumer Confidence Report RPT	Nov 1, 2018	Resolved
Consumer Confidence Report RPT	Oct 1, 2018	Resolved
E. coli Monitoring and reporting	Sep 1, 2018	Resolved
Nitrate Monitoring and reporting	Jan 1, 2018	Resolved

Lead pipes

Total service lines 102

Lead pipes confirmed 0

Unknown material 57

Total service lines reported	102
Lead pipes confirmed	0
Galvanized pipes needing replacement	0
Pipes with unknown material	57
Non-lead pipes confirmed	45
Pipes that may be lead or unknown	55.9% (57)
Inventory submitted	Oct 18, 2024
EPA reporting status	Reported All Required Service Line Types

Interpretation

A significant share of this system's service lines are recorded as unknown material. Under EPA rules, unknown lines are treated similarly to lead lines until verified. Your water utility is required to investigate and reclassify these.

Verify on EPA SDWIS EPA Get the Lead Out guidance

The service line inventory covers pipes owned and operated by the water system, typically from the water main to the property line. Household service lines on the customer's side of the meter are the homeowner's responsibility and may or may not be included depending on the system and state law.