A98/100
FORESTVILLE WATER DISTRICT — Water Quality Report 2026
Serving 3,788 people · California
Water Source
Purchased Groundwater
County
—
System ID
CA4910019
Violations
2
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2022 – July 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2022 – July 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
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 FORESTVILLE WATER DISTRICT
Is FORESTVILLE WATER DISTRICT water safe to drink?
FORESTVILLE WATER DISTRICT water receives a grade of A (98/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has FORESTVILLE WATER DISTRICT detected?
1 contaminants were tested in FORESTVILLE WATER DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does FORESTVILLE WATER DISTRICT have any EPA violations?
Yes, FORESTVILLE WATER DISTRICT has 2 EPA violation(s) on record, with the most recent in 2022. Violation types include MR.
How many people does FORESTVILLE WATER DISTRICT serve?
FORESTVILLE WATER DISTRICT serves approximately 3,788 people, California.
What type of water does FORESTVILLE WATER DISTRICT provide?
FORESTVILLE WATER DISTRICT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA4910019.
How does FORESTVILLE WATER DISTRICT compare to other utilities in California?
FORESTVILLE WATER DISTRICT scores 98/100 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.