Serving roughly 3,317 people in Sacramento County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
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Results for FOLSOM, CITY OF - ASHLAND
1 water provider directly on file, serving roughly 3,317 people in Sacramento County, California.
Quick answer: FOLSOM, CITY OF - ASHLAND has no violations on file and no single reading stands out against its peers (467 other providers in this area). It serves roughly 3,317 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Aggressive Index
Langelier Index (pH(s))
Magnesium
Calcium
Sodium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
Foamingagents (SURFACTANTS)
TDS
Chloride
Sulfate
pH
Odor
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dichloroaceticacid
Trichloroaceticacid
Conductivity (at 25°C)
Utility FOLSOM, CITY OF - ASHLANDPopulation served 3,317Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2023
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 30 UG/L (ppb)
7/23/2025
TTHM
Detected: 40 UG/L (ppb)
7/23/2025
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: 39 UG/L (ppb)
7/23/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 1.8 UG/L (ppb)
7/23/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 2.3 MG/L (ppm)
7/23/2025
Sulfate
Detected: 4.9 MG/L (ppm)
7/23/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 1.7 MG/L (ppm)
7/23/2025
Calcium
Detected: 8.5 MG/L (ppm)
7/23/2025
Sodium
Detected: 2.2 MG/L (ppm)
7/23/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Langelier Index (pH(s))
Detected: -2.2 LANG
7/23/2025
Hardness, Total (ASCACO3)
Detected: 28 MG/L (ppm)
7/23/2025
pH
Detected: 7 PH
7/23/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 23 MG/L (ppm)
7/23/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 9.72 AGGR
7/23/2025
Alkalinity, Total
Detected: 23 MG/L (ppm)
7/23/2025
Foamingagents (SURFACTANTS)
Detected: 0.06 MG/L (ppm)
4/23/2025
TDS
Detected: 51 MG/L (ppm)
7/23/2025
Odor
Detected: 11 TON
7/23/2025
Dichloroaceticacid
Detected: 14 UG/L (ppb)
7/23/2025
Trichloroaceticacid
Detected: 16 UG/L (ppb)
7/23/2025
Conductivity (at 25°C)
Detected: 66 UMHO/CM
7/23/2025
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.