LAKESIDE, AZ

SHOWLOW LAKE WATER CO-OP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of November 1, 1998. 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 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): AZ0409038
System type: Community Water System
Population served: 40
Service connections: 17
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Regular
—
Nitrate
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Barium
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Arsenic
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Cadmium
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Chromium
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Fluoride
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Mercury
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Selenium
August 31, 1989 – August 30, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Styrene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Toluene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1987 – January 1, 1992
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
December 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Nitrate	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Barium	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Arsenic	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Cadmium	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Chromium	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Fluoride	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Mercury	—	Archived
August 31, 1989 – August 30, 1992	Monitoring, Regular	Selenium	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Styrene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Toluene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	cis-1,2-Dichloroethylene	—	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

602-537-1832

LAKESIDE, AZ 85929