A94/100
CAL AM WATER COMPANY - HIDDEN HILLS — Water Quality Report 2026
Serving 1,106 people · California
Water Source
Groundwater
County
—
System ID
CA2710022
Violations
0
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 CAL AM WATER COMPANY - HIDDEN HILLS
Is CAL AM WATER COMPANY - HIDDEN HILLS water safe to drink?
CAL AM WATER COMPANY - HIDDEN HILLS water receives a grade of A (94/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CAL AM WATER COMPANY - HIDDEN HILLS detected?
2 contaminants were tested in CAL AM WATER COMPANY - HIDDEN HILLS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CAL AM WATER COMPANY - HIDDEN HILLS have any EPA violations?
No, CAL AM WATER COMPANY - HIDDEN HILLS has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does CAL AM WATER COMPANY - HIDDEN HILLS serve?
CAL AM WATER COMPANY - HIDDEN HILLS serves approximately 1,106 people, California.
What type of water does CAL AM WATER COMPANY - HIDDEN HILLS provide?
CAL AM WATER COMPANY - HIDDEN HILLS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2710022.
How does CAL AM WATER COMPANY - HIDDEN HILLS compare to other utilities in California?
CAL AM WATER COMPANY - HIDDEN HILLS scores 94/100 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.