CHANDLER, AZ · Gila County

MOUNTAIN SHADOWS M H P Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 1, 2002. 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 Gila 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): AZ0404360
System type: Community Water System
Population served: 28
Service connections: 16
Ownership: public/private mix
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Mercury
May 31, 1989 – May 30, 1992
Archived
Monitoring, Regular
—
Cadmium
May 31, 1989 – May 30, 1992
Archived
Monitoring, Regular
—
Barium
May 31, 1989 – May 30, 1992
Archived
Monitoring, Regular
—
Arsenic
May 31, 1989 – May 30, 1992
Archived
Monitoring, Regular
—
Selenium
May 31, 1989 – May 30, 1992
Archived
Monitoring, Regular
—
Nitrate
May 31, 1989 – May 30, 1992
Archived
Monitoring, Regular
—
Mercury
October 1, 1988 – December 31, 1988
Archived
Monitoring, Regular
—
Selenium
October 1, 1988 – December 31, 1988
Archived
Monitoring, Regular
—
Barium
October 1, 1988 – December 31, 1988
Archived
Monitoring, Regular
—
Cadmium
October 1, 1988 – December 31, 1988
Archived
Monitoring, Regular
—
Fluoride
October 1, 1988 – December 31, 1988
Archived
Monitoring, Regular
—
Chromium
October 1, 1988 – December 31, 1988
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1988 – September 30, 1988
Archived
Monitoring, Regular
—
Arsenic
October 30, 1985 – October 28, 1988
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Fluoride
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1982
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
May 31, 1989 – May 30, 1992	Monitoring, Regular	Mercury	—	Archived
May 31, 1989 – May 30, 1992	Monitoring, Regular	Cadmium	—	Archived
May 31, 1989 – May 30, 1992	Monitoring, Regular	Barium	—	Archived
May 31, 1989 – May 30, 1992	Monitoring, Regular	Arsenic	—	Archived
May 31, 1989 – May 30, 1992	Monitoring, Regular	Selenium	—	Archived
May 31, 1989 – May 30, 1992	Monitoring, Regular	Nitrate	—	Archived
October 1, 1988 – December 31, 1988	Monitoring, Regular	Mercury	—	Archived
October 1, 1988 – December 31, 1988	Monitoring, Regular	Selenium	—	Archived
October 1, 1988 – December 31, 1988	Monitoring, Regular	Barium	—	Archived
October 1, 1988 – December 31, 1988	Monitoring, Regular	Cadmium	—	Archived
October 1, 1988 – December 31, 1988	Monitoring, Regular	Fluoride	—	Archived
October 1, 1988 – December 31, 1988	Monitoring, Regular	Chromium	—	Archived
July 1, 1988 – September 30, 1988	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 30, 1985 – October 28, 1988	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Cadmium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Selenium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Chromium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Fluoride	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Mercury	—	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

CHANDLER, AZ 85224