DELANO, CA · Kern County

DELANO, CITY OF 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 California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID): CA1510005
System type: Community Water System
Population served: 51,428
Service connections: 10,295
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
June 1, 1983 – June 30, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
May 1, 1983 – May 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 1983 – April 30, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
March 1, 1983 – March 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
February 1, 1983 – February 28, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 1983 – January 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
December 1, 1982 – December 31, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
November 1, 1982 – November 30, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1982 – October 31, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1981 – September 30, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 30, 1980 – October 29, 1981
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1980 – September 30, 1981
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
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
June 1, 1983 – June 30, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
May 1, 1983 – May 31, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 1983 – April 30, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
March 1, 1983 – March 31, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
February 1, 1983 – February 28, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 1983 – January 31, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
December 1, 1982 – December 31, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
November 1, 1982 – November 30, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 1982 – October 31, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 1981 – September 30, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 30, 1980 – October 29, 1981	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 1980 – September 30, 1981	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived

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

Enforcement actions

March 12, 2018State Compliance achieved23 linked violations
September 25, 2008Federal Final Administrative Order issued27 linked violations
November 23, 1992State Formal Notice of Violation issued6 linked violations

Contact

NUNEZ, PEDRO

661-720-5404

DELANO, CA 93215