B79/100
PISMO BEACH WATER DEPARTMENT — Water Quality Report 2026
Serving 8,036 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA4010008
Violations
5
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
3
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 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Enforcement: 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 PISMO BEACH WATER DEPARTMENT
Is PISMO BEACH WATER DEPARTMENT water safe to drink?
PISMO BEACH WATER DEPARTMENT water receives a grade of B (79/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has PISMO BEACH WATER DEPARTMENT detected?
31 contaminants were tested in PISMO BEACH WATER DEPARTMENT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does PISMO BEACH WATER DEPARTMENT have any EPA violations?
Yes, PISMO BEACH WATER DEPARTMENT has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include MCL, MR. 4 are health-based violations.
How many people does PISMO BEACH WATER DEPARTMENT serve?
PISMO BEACH WATER DEPARTMENT serves approximately 8,036 people, California.
What type of water does PISMO BEACH WATER DEPARTMENT provide?
PISMO BEACH WATER DEPARTMENT sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA4010008.
How does PISMO BEACH WATER DEPARTMENT compare to other utilities in California?
PISMO BEACH WATER DEPARTMENT scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.