Public water system record

Yuima Municipal Water District

Serves an area of San Diego County, CA · 360 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Yuima Municipal Water District in the last ten years. The most serious issue in this window was a resolved Nitrate violation.

  • CA3701408
  • PAUMA VALLEY
  • CA
  • 360 served

System profile

Source water Purchased surface water
ZIP 92061
EPA system ID CA3701408

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
1

Key facts

  • Yuima Municipal Water District draws water from 1 well.
  • Highest measured level in the last 10 years: Nitrate, 12 mg/L, federal limit 10 mg/L (1.2 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by California, August 2018.
  • Record on file since 1980, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2 unknown out of 114 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 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
330 Jul 1, 2018 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2022 Resolved

Full record since 1980

EPA's records for Yuima Municipal Water District go back to 1980. Before October 19, 2016 they list no health-based violations and 8 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 5
1990s 0 2
2000s 0 1
October 19, 2016 to 2019 1 0
2020s 0 1

Enforcement actions

California regulators took 2 formal enforcement actions against Yuima Municipal Water District between 1998 and 2018. The most recent was a compliance order (no penalty) in August 2018.

Date By Action Violations covered
Aug 10, 2018 California Compliance order (no penalty) 1 violation (1 health-based): Nitrate
Sep 21, 1998 California Compliance order (no penalty) 1 violation: Total Coliform

What the violations mean

Nitrate

1 incident

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

Yuima Municipal Water District draws water from 1 well. It also buys water from San Diego County Water Authority and Yuima Municipal Water District Ida. 2 other community water systems buy water from Yuima Municipal Water District. 2 other public water systems have emergency connections to Yuima Municipal Water District.

Buys water from

Community systems that buy water from it

Annual water quality report

Yuima Municipal Water District 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Yuima Municipal Water District for a copy.

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.