Serving roughly 10,657 people in Shasta County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for CITY OF SHASTA LAKE
1 water provider directly on file, serving roughly 10,657 people in Shasta County, California.
Quick answer: CITY OF SHASTA LAKE has no violations on file and no single reading stands out against its peers (401 other providers in this area). It serves roughly 10,657 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lead
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Copper, Free
Nitrate
Chromium, Hex
Utility CITY OF SHASTA LAKEPopulation served 10,657Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.00113 mg/L (ppm)
12/31/2025
Lead
Detected: 0.52 UG/L (ppb)
7/8/2025
A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.
Copper, Free
Detected: 117 UG/L (ppb)
7/8/2025
Chromium, Hex
Detected: 0.38 UG/L (ppb)
1/7/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 13 UG/L (ppb)
10/7/2025
TTHM
Detected: 35 UG/L (ppb)
10/7/2025
A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.
Chloroform
Detected: 30 UG/L (ppb)
10/7/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 4.7 UG/L (ppb)
10/7/2025
Dibromochloromethane
Detected: 0.75 UG/L (ppb)
10/7/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.13 MG/L (ppm)
3/4/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 2 UG/L (ppb)
10/7/2025
Trichloroaceticacid
Detected: 11 UG/L (ppb)
10/7/2025
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.