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F9/100

HERITAGE RANCH CSD — Water Quality Report 2026

Serving 2,956 people · California

Water Source
Surface Water
County
—
System ID
CA4010012
Violations
19

Contaminant Test Results

EPA Violation History

10

Violations (last 5yr)

0

Unresolved

10

Health-Related

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About HERITAGE RANCH CSD

Is HERITAGE RANCH CSD water safe to drink?

HERITAGE RANCH CSD water receives a grade of F (9/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has HERITAGE RANCH CSD detected?

31 contaminants were tested in HERITAGE RANCH CSD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does HERITAGE RANCH CSD have any EPA violations?

Yes, HERITAGE RANCH CSD has 19 EPA violation(s) on record, with the most recent in 2024. Violation types include MCL, MR, TT. 18 are health-based violations.

How many people does HERITAGE RANCH CSD serve?

HERITAGE RANCH CSD serves approximately 2,956 people, California.

What type of water does HERITAGE RANCH CSD provide?

HERITAGE RANCH CSD sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA4010012.

How does HERITAGE RANCH CSD compare to other utilities in California?

HERITAGE RANCH CSD scores 9/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.