Is Lagunitas-Forest Knolls, CA Tap Water Safe to Drink?
Lagunitas-Forest Knolls, CA tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does Lagunitas-Forest Knolls Get Its Water?
Water in Lagunitas-Forest Knolls, CA is provided by 1 public water system: MARIN MUNICIPAL WATER DISTRICT.
How Is Lagunitas-Forest Knolls Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration) and groundwater disinfection.
What's in Lagunitas-Forest Knolls Tap Water?
The following contaminants were detected most frequently in Lagunitas-Forest Knolls public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | 0.007 µg/L | 2 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Lagunitas-Forest Knolls
Current EPA monitoring data for Lagunitas-Forest Knolls shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
Best Filters for PFAS Water Profile
PFAS compounds are detected in this water supply. A reverse osmosis (RO) system or an activated-carbon filter specifically certified under NSF/ANSI P473 is required for reliable PFAS reduction. Standard pitcher and faucet filters without P473 certification do not remove PFAS.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Lagunitas-Forest Knolls Tap Water
Is Lagunitas-Forest Knolls tap water safe to drink?
Lagunitas-Forest Knolls tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in Lagunitas-Forest Knolls tap water?
The most commonly detected contaminants in Lagunitas-Forest Knolls water systems include: lithium, PFTrDA, 11Cl-PF3OUdS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Lagunitas-Forest Knolls get its drinking water?
Lagunitas-Forest Knolls receives water from one public water system, including MARIN MUNICIPAL WATER DISTRICT.
Do I need a water filter in Lagunitas-Forest Knolls?
Current data does not show guideline exceedances in Lagunitas-Forest Knolls. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Lagunitas-Forest Knolls tap water tested?
Public water systems in Lagunitas-Forest Knolls are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2024-07-08.
Tap water reports by ZIP in Lagunitas-Forest Knolls
Water utilities serving Lagunitas-Forest Knolls, CA
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- MARIN MUNICIPAL WATER DISTRICTAction advised
Also covers / overlaps with
- Northwest Marin CCD, CA · Township
- Forest Knolls, CA · Community
- Lagunitas, CA · Community