D21/100
Table Mountain Rancheria — Water Quality Report 2026
Serving 10,675 people · California
Water Source
Surface Water
County
—
System ID
090600154
Violations
40
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
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 Table Mountain Rancheria
Is Table Mountain Rancheria water safe to drink?
Table Mountain Rancheria water receives a grade of D (21/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 40 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has Table Mountain Rancheria detected?
31 contaminants were tested in Table Mountain Rancheria's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Table Mountain Rancheria have any EPA violations?
Yes, Table Mountain Rancheria has 40 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, MR, Other. 9 are health-based violations.
How many people does Table Mountain Rancheria serve?
Table Mountain Rancheria serves approximately 10,675 people, California. The system provides water to 1 community: Table Mountain.
What type of water does Table Mountain Rancheria provide?
Table Mountain Rancheria sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is 090600154.
How does Table Mountain Rancheria compare to other utilities in California?
Table Mountain Rancheria scores 21/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.