A88/100
LAKE HEMET MWD — Water Quality Report 2026
Serving 52,913 people · California
Water Source
Groundwater
County
—
System ID
CA3310022
Violations
4
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – June 30, 2022Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Maximum Contaminant Level Violation
When: June 1, 2022 – June 30, 2022Rule: Total Coliform RuleEnforcement: 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 LAKE HEMET MWD
Is LAKE HEMET MWD water safe to drink?
LAKE HEMET MWD water receives a grade of A (88/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has LAKE HEMET MWD detected?
66 contaminants were tested in LAKE HEMET MWD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LAKE HEMET MWD have any EPA violations?
Yes, LAKE HEMET MWD has 4 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL. 2 are health-based violations.
How many people does LAKE HEMET MWD serve?
LAKE HEMET MWD serves approximately 52,913 people, California.
What type of water does LAKE HEMET MWD provide?
LAKE HEMET MWD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA3310022.
How does LAKE HEMET MWD compare to other utilities in California?
LAKE HEMET MWD scores 88/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.