A80/100
CRESTLINE VILLAGE CWD - DIVISION 10 — Water Quality Report 2026
Serving 11,650 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3610015
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 CRESTLINE VILLAGE CWD - DIVISION 10
Is CRESTLINE VILLAGE CWD - DIVISION 10 water safe to drink?
CRESTLINE VILLAGE CWD - DIVISION 10 water receives a grade of A (80/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CRESTLINE VILLAGE CWD - DIVISION 10 detected?
32 contaminants were tested in CRESTLINE VILLAGE CWD - DIVISION 10's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does CRESTLINE VILLAGE CWD - DIVISION 10 have any EPA violations?
Yes, CRESTLINE VILLAGE CWD - DIVISION 10 has 4 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other, MCL. 2 are health-based violations.
How many people does CRESTLINE VILLAGE CWD - DIVISION 10 serve?
CRESTLINE VILLAGE CWD - DIVISION 10 serves approximately 11,650 people, California.
What type of water does CRESTLINE VILLAGE CWD - DIVISION 10 provide?
CRESTLINE VILLAGE CWD - DIVISION 10 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 CA3610015.
How does CRESTLINE VILLAGE CWD - DIVISION 10 compare to other utilities in California?
CRESTLINE VILLAGE CWD - DIVISION 10 scores 80/100 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.