A96/100
GOLDEN STATE WATER CO - WRIGHTWOOD — Water Quality Report 2026
Serving 4,177 people · California
Water Source
Groundwater
County
—
System ID
CA3610047
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
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, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
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 GOLDEN STATE WATER CO - WRIGHTWOOD
Is GOLDEN STATE WATER CO - WRIGHTWOOD water safe to drink?
GOLDEN STATE WATER CO - WRIGHTWOOD water receives a grade of A (96/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GOLDEN STATE WATER CO - WRIGHTWOOD detected?
31 contaminants were tested in GOLDEN STATE WATER CO - WRIGHTWOOD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GOLDEN STATE WATER CO - WRIGHTWOOD have any EPA violations?
Yes, GOLDEN STATE WATER CO - WRIGHTWOOD has 1 EPA violation(s) on record, with the most recent in 2022. Violation types include MR.
How many people does GOLDEN STATE WATER CO - WRIGHTWOOD serve?
GOLDEN STATE WATER CO - WRIGHTWOOD serves approximately 4,177 people, California.
What type of water does GOLDEN STATE WATER CO - WRIGHTWOOD provide?
GOLDEN STATE WATER CO - WRIGHTWOOD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA3610047.
How does GOLDEN STATE WATER CO - WRIGHTWOOD compare to other utilities in California?
GOLDEN STATE WATER CO - WRIGHTWOOD scores 96/100 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.