Public water system record

City of McFarland

Serves McFarland, Kern County, CA · 14,161 people served

Federal records show 6 health-based violations and 8 monitoring/reporting issues for City of McFarland in the last ten years. The most serious issue in this window was a Nitrate violation that EPA lists as archived, not resolved.

  • CA1510013
  • MCFARLAND
  • CA
  • 14,161 served

System profile

Source water Groundwater
ZIP 93250
EPA system ID CA1510013

Verify this system on EPA ECHO →

Health-based violations, last 10 years
6
Resolved
0
Unresolved
0
Archived by EPA
6
Any acute record
Yes
Monitoring issues, last 10 years
8

Key facts

  • City of McFarland draws water from 3 wells.
  • Highest measured level in the last 10 years: Nitrate, 14 mg/L, federal limit 10 mg/L (1.4 times the limit), 2024.
  • Most recent formal enforcement: compliance order (no penalty) by California, October 2023.
  • Record on file since 1980, with 36 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 3,133 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
330 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
330 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Aug 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2021 Active
Enforcement action in place
E. coli
Monitoring and reporting
Dec 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2019 Resolved
Nitrate-Nitrite
Monitoring and reporting
Jan 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2016 Resolved

Full record since 1980

EPA's records for City of McFarland go back to 1980. Before October 19, 2016 they list 36 health-based violations (18 resolved, 18 archived by EPA without a recorded fix) and 46 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 18 0
1990s 3 0
2000s 3 31
2010 to October 18, 2016 12 15
October 19, 2016 to 2019 0 4
2020s 6 2

Most recent health-based violation before October 19, 2016: Total Coliform, began March 2016, Resolved.

Show all 36 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Mar 1, 2016 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Jan 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.0127 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Oct 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Apr 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jan 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Oct 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jul 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Apr 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Jan 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Apr 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Jan 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Oct 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Jan 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Apr 1, 1997 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1996 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 1996 Resolved
Nitrate (acute)
Contaminant limit exceeded
Dec 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Nov 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Sep 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Aug 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Jul 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Jun 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
May 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Apr 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Mar 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Feb 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Jan 1, 1983 Archived
Nitrate (acute)
Contaminant limit exceeded
Dec 1, 1982 Archived
Nitrate (acute)
Contaminant limit exceeded
Nov 1, 1982 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 1, 1982 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 1, 1981 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 30, 1980 Archived
Nitrate (acute)
Contaminant limit exceeded
Oct 1, 1980 Archived

Enforcement actions

California regulators took 11 formal enforcement actions against City of McFarland between 2001 and 2023. The most recent was a compliance order (no penalty) in October 2023.

Date By Action Violations covered
Oct 16, 2023 California Compliance order (no penalty) 6 violations (6 health-based): Nitrate
Feb 11, 2022 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Feb 25, 2021 California Compliance order (no penalty) 1 violation: E. coli
Mar 21, 2018 California Compliance order (no penalty) 1 violation: Nitrate-Nitrite
Apr 27, 2017 California Compliance order (no penalty) 8 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Jul 27, 2016 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Feb 15, 2013 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
May 8, 2012 California Compliance order (no penalty) 13 violations (11 health-based): Arsenic
Sep 21, 2009 California Compliance order (no penalty) 3 violations: Lead and Copper Rule, Consumer Confidence Rule
Apr 14, 2009 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Nov 2, 2001 California Compliance order (no penalty) 2 violations (1 health-based): Total Coliform

What the violations mean

Nitrate

6 incidents

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

Where the water comes from

City of McFarland draws water from 3 wells.

Annual water quality report

City of McFarland must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.