CDCR-HIGH DESERT STATE PRISON Water Quality Report
Serving roughly 3,857 people in Lassen County, California.
Data current as of July 2026
🔍Straight from EPA
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Results for CDCR-HIGH DESERT STATE PRISON
1 water provider directly on file, serving roughly 3,857 people in Lassen County, California.
Quick answer: CDCR-HIGH DESERT STATE PRISON has no violations on file. One reading is worth knowing about: Combined Uranium was measured at 9.7PCI/L, among the highest of the 152 providers on file in this area. It's the most notable figure in this system's record among its 152 local peers.
Lead Summary
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Dibromoaceticacid
Arsenic
Trichloroethylene
Tetrachloroethylene
Cis-1, 2-Dichloroethylene
Nitrate
Radium-228
Combined Uranium
Gross Alpha Particle Activity
Utility CDCR-HIGH DESERT STATE PRISONPopulation served 3,857Owner State or Territorial Government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2024
Arsenic
Detected: 20 UG/L (ppb)
10/1/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Combined Uranium
Detected: 9.7 PCI/L
4/2/2025
A naturally occurring radioactive metal. Long-term exposure above the legal limit is associated with kidney effects and increased cancer risk.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 9 UG/L (ppb)
7/16/2025
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: 2 UG/L (ppb)
7/16/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 2 UG/L (ppb)
7/16/2025
Bromodichloromethane
Detected: 2 UG/L (ppb)
7/16/2025
Dibromochloromethane
Detected: 3 UG/L (ppb)
7/16/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.5 MG/L (ppm)
4/2/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Gross Alpha Particle Activity
Detected: 7.42 PCI/L
4/2/2025
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Trichloroethylene
Detected: 4.8 UG/L (ppb)
10/1/2025
Tetrachloroethylene
Detected: 6.1 UG/L (ppb)
10/1/2025
Cis-1, 2-Dichloroethylene
Detected: 6.7 UG/L (ppb)
10/1/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 1 UG/L (ppb)
7/16/2025
Dibromoaceticacid
Detected: 3 UG/L (ppb)
7/16/2025
Radium-228
Detected: 0.523 PCI/L
4/16/2025
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.