F0/100
Los Molinos Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,450 residents · California
What's In Los Molinos's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
Water Utility Details
LOS MOLINOS COMM. SERVICES DIST.
Population Served
1,450
Water Source
Groundwater
System ID
CA5210003
Frequently Asked Questions About Los Molinos Water
Is Los Molinos tap water safe to drink?
Los Molinos, California tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 54 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Los Molinos's water?
1 contaminants were tested in Los Molinos's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Los Molinos have any water quality violations?
Yes, Los Molinos has 54 EPA violation(s) on record, with the most recent in 2020. Violation types include MCL, MR, Other. 50 of these are health-based violations, which are the most serious category.
Do I need a water filter in Los Molinos?
Los Molinos water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Los Molinos's tap water come from?
Los Molinos's drinking water is sourced from groundwater and supplied by LOS MOLINOS COMM. SERVICES DIST.. The system serves approximately 1,450 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Los Molinos's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Los Molinos's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Los Molinos's water compare to other cities in California?
Los Molinos's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Los Molinos's water quality?
If you have concerns about Los Molinos's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (LOS MOLINOS COMM. SERVICES DIST.) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.