Drinking Water Compliance OS

YUMA, AZ · Yuma County

DEL SUR IMPROVEMENT DIST Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 1, 1999. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Yuma County, AZ.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

System facts

System ID (PWSID)
AZ0414025
System type
Community Water System
Population served
300
Service connections
140
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    Arsenic

    December 31, 1989 – December 30, 1992

    Archived

  • Monitoring, Regular

    —

    Barium

    December 31, 1989 – December 30, 1992

    Archived

  • Monitoring, Regular

    —

    Fluoride

    December 31, 1989 – December 30, 1992

    Archived

  • Monitoring, Regular

    —

    Mercury

    December 31, 1989 – December 30, 1992

    Archived

  • Monitoring, Regular

    —

    Selenium

    December 31, 1989 – December 30, 1992

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

Phone not on record

YUMA, AZ 85367