TUCSON, AZ · Navajo County

A PETERSEN WATER COMPANY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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): AZ0409032
System type: Community Water System
Population served: 160
Service connections: 55
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2015 – April 30, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – July 8, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Regular
—
Cadmium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Barium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Chromium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Fluoride
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Mercury
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Nitrate
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Selenium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Arsenic
February 7, 1985 – February 6, 1988
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Nitrate
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Fluoride
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Barium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Arsenic
June 24, 1979 – June 23, 1982
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2015 – April 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2014 – July 8, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 1991 – December 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1991 – December 31, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Cadmium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Barium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Chromium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Fluoride	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Mercury	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Nitrate	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Selenium	—	Archived
February 7, 1985 – February 6, 1988	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Mercury	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Fluoride	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Chromium	—	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	Barium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Arsenic	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

July 31, 2020State Violation/Reminder Notice89 linked violations
November 24, 2010State Compliance achieved195 linked violations
May 17, 2007State Violation/Reminder Notice245 linked violations
September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record

Contact

SOUTHWESTERN UTILITY MGMT INC

520-623-5172

TUCSON, AZ 85754