Public water system record

MARICOPA CONSOLIDATED DWID

Federal records show 2 health-based violations and 16 monitoring/reporting issues for MARICOPA CONSOLIDATED DWID in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

AZ0411036
MARICOPA
AZ
928 served

System profile

Source water Groundwater

ZIP 85139

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

17 resolved • 1 unresolved

PWSID

AZ0411036

EPA public water system identifier

Check your address

Check whether your address is served by this system.

Use the normal Tap Truth address lookup to verify whether a specific home resolves to MARICOPA CONSOLIDATED DWID.

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
LEAD AND COPPER RULE REVISIONS Treatment technique failure	350	Oct 17, 2024	Resolved	No
Nitrate Contaminant limit exceeded	330	Oct 1, 2020	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
LEAD AND COPPER RULE REVISIONS RPT	Jul 2, 2025	Unresolved
Monitoring and Reporting OTHER	Dec 20, 2024	Resolved
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Resolved
E. coli Monitoring and reporting	Mar 9, 2023	Resolved
Consumer Confidence Report RPT	Feb 1, 2022	Resolved
Consumer Confidence Rule OTHER	Oct 2, 2021	Resolved
Consumer Confidence Report RPT	Apr 1, 2021	Resolved
Chlorine Monitoring and reporting	Apr 1, 2020	Resolved
Lead and Copper Rule Monitoring and reporting	Oct 19, 2019	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Aug 1, 2019	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Aug 1, 2019	Resolved
Chlorine Monitoring and reporting	Apr 1, 2019	Resolved
Nitrate Monitoring and reporting	Jan 1, 2019	Resolved
Chlorine Monitoring and reporting	Jan 1, 2017	Resolved
Consumer Confidence Report Monitoring violation	Nov 1, 2016	Resolved
Chlorine Monitoring and reporting	Oct 1, 2016	Resolved

Lead pipes

Total service lines 286

Lead pipes confirmed 0

Unknown material 243

Total service lines reported	286
Lead pipes confirmed	0
Galvanized pipes needing replacement	0
Pipes with unknown material	243
Non-lead pipes confirmed	43
Pipes that may be lead or unknown	85.0% (243)
Inventory submitted	Oct 16, 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.