Serving roughly 3,778 people in Plumas County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for AMERICAN VALLEY CSD
1 water provider directly on file, serving roughly 3,778 people in Plumas County, California.
Quick answer: AMERICAN VALLEY CSD has no violations on file and no single reading stands out against its peers (246 other providers in this area). It serves roughly 3,778 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
PFPEA
Chromium, Hex
Nitrate
Radium-228
Utility AMERICAN VALLEY CSDPopulation served 3,778Owner Local government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0011 mg/L (ppm)
12/31/2023
Chromium, Hex
Detected: 0.099 UG/L (ppb)
1/7/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.82 MG/L (ppm)
6/17/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFPEA
Detected: 0.0038 µg/L (ppb)
11/6/2024
Other
Additional substances tested that don't fit neatly into the categories above
Radium-228
Detected: 0.675 PCI/L
6/17/2025
Filtration considerations: See the table below for how whole-house carbon, under-sink reverse osmosis, and under-sink carbon systems compare against what's actually on file here. These are general system types, not a specific product recommendation.