Serving roughly 7,502 people in Sacramento County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for FOLSOM STATE PRISON
1 water provider directly on file, serving roughly 7,502 people in Sacramento County, California.
Quick answer: FOLSOM STATE PRISON currently has an open health-based violation on file: Lead And Copper Rule Revisions, a compliance issue since 10/17/2024. This is active, not historical — see the violation detail below for what EPA's enforcement record shows.
Lead Summary
PFOS
Carbon, Total
Aggressive Index
Magnesium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Turbidity
pH
Odor
Chromium, Hex
Aluminum
Conductivity (at 25°C)
Color
Utility FOLSOM STATE PRISONPopulation served 7,502Owner State or Territorial Government
Open violation on file
Violations on file
Lead And Copper Rule Revisions
Currently open health violation
Found at 1 of 1 provider
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2024
Chromium, Hex
Detected: 0.162 UG/L (ppb)
5/8/2025
Aluminum
Detected: 370 UG/L (ppb)
8/6/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 1.4 MG/L (ppm)
8/6/2025
Sulfate
Detected: 2.2 MG/L (ppm)
8/6/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 1.6 MG/L (ppm)
8/6/2025
Sodium
Detected: 2.1 MG/L (ppm)
8/6/2025
Calcium
Detected: 5.1 MG/L (ppm)
8/6/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 19 MG/L (ppm)
8/6/2025
pH
Detected: 7.04 PH
8/6/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFOS
Detected: 0.0068 µg/L (ppb)
8/5/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 22 MG/L (ppm)
8/6/2025
Other
Additional substances tested that don't fit neatly into the categories above
Carbon, Total
Detected: 1.07 MG/L (ppm)
8/6/2025
Aggressive Index
Detected: 9.42 AGGR
8/6/2025
Alkalinity, Total
Detected: 22 MG/L (ppm)
8/6/2025
TDS
Detected: 44 MG/L (ppm)
8/6/2025
Turbidity
Detected: 1.2 NTU
8/6/2025
A measure of water cloudiness from suspended particles.
Odor
Detected: 8 TON
8/6/2025
Conductivity (at 25°C)
Detected: 51 UMHO/CM
8/6/2025
Color
Detected: 5 UNITS
8/6/2025
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.