B67/100
MORRO BAY PW DEPT - WATER DIVISION — Water Quality Report 2026
Serving 13,757 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA4010011
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.60 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2006.
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 MORRO BAY PW DEPT - WATER DIVISION
Is MORRO BAY PW DEPT - WATER DIVISION water safe to drink?
MORRO BAY PW DEPT - WATER DIVISION water receives a grade of B (67/100), which is considered good. Out of 70 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MORRO BAY PW DEPT - WATER DIVISION detected?
70 contaminants were tested in MORRO BAY PW DEPT - WATER DIVISION's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MORRO BAY PW DEPT - WATER DIVISION have any EPA violations?
Yes, MORRO BAY PW DEPT - WATER DIVISION has 5 EPA violation(s) on record, with the most recent in 2006. Violation types include MCL, TT. 5 are health-based violations.
How many people does MORRO BAY PW DEPT - WATER DIVISION serve?
MORRO BAY PW DEPT - WATER DIVISION serves approximately 13,757 people, California.
What type of water does MORRO BAY PW DEPT - WATER DIVISION provide?
MORRO BAY PW DEPT - WATER DIVISION 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 CA4010011.
How does MORRO BAY PW DEPT - WATER DIVISION compare to other utilities in California?
MORRO BAY PW DEPT - WATER DIVISION scores 67/100 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.