Serving roughly 527,979 people in Sacramento County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for CITY OF SACRAMENTO MAIN
1 water provider directly on file, serving roughly 527,979 people in Sacramento County, California.
Quick answer: CITY OF SACRAMENTO MAIN has no violations on file. One reading is worth knowing about: PFPEA was measured at 0.0065µg/L, among the highest of the 467 providers on file in this area. It's the most notable figure in this system's record among its 467 local peers.
Lead Summary
PFPEA
PFOS
PFHXS
PFBS
PFHXA
PFOA
PFHPA
PFBA
Lithium
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Bromoform
Dichloroaceticacid
Trichloroaceticacid
Magnesium
Potassium
Sodium
Calcium
Carbon, Total
Alkalinity, Total
Alkalinity, Bicarbonate
Alkalinity, Carbonate
Hardness, Total (ASCACO3)
TDS
Sulfate
Chloride
Fluoride
Turbidity
pH, Field
Ethylenedibromide
Chromium, Hex
Hexachlorocyclopentadiene
Conductivity (at 25°C)
Utility CITY OF SACRAMENTO MAINPopulation served 527,979Owner State or Territorial Government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2023
Chromium, Hex
Detected: 0.1 UG/L (ppb)
8/20/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 23 UG/L (ppb)
10/1/2025
TTHM
Detected: 39 UG/L (ppb)
10/1/2025
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: 35 UG/L (ppb)
10/1/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 4.1 UG/L (ppb)
10/1/2025
Dibromochloromethane
Detected: 1.5 UG/L (ppb)
10/1/2025
Bromoform
Detected: 3.6 UG/L (ppb)
7/30/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 7 MG/L (ppm)
8/20/2025
Chloride
Detected: 5.6 MG/L (ppm)
8/20/2025
Fluoride
Detected: 0.7 MG/L (ppm)
8/20/2025
Often added deliberately for dental health; can also occur naturally.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 2 MG/L (ppm)
8/20/2025
Potassium
Detected: 0.63 MG/L (ppm)
8/20/2025
Sodium
Detected: 2.3 MG/L (ppm)
8/20/2025
Calcium
Detected: 10 MG/L (ppm)
8/20/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 34 MG/L (ppm)
8/20/2025
pH, Field
Detected: 8.4 PH
8/20/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFPEA
Detected: 0.0065 µg/L (ppb)
2/22/2024
PFOS
Detected: 0.0414 µg/L (ppb)
2/22/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0191 µg/L (ppb)
2/22/2024
PFBS
Detected: 0.0061 µg/L (ppb)
2/22/2024
PFHXA
Detected: 0.0063 µg/L (ppb)
2/22/2024
PFOA
Detected: 0.0156 µg/L (ppb)
2/22/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHPA
Detected: 0.0041 µg/L (ppb)
2/22/2024
PFBA
Detected: 0.007 µg/L (ppb)
2/22/2024
Lithium
Detected: 25.4 µg/L (ppb)
2/20/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Ethylenedibromide
Detected: 0.012 UG/L (ppb)
6/10/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 25 MG/L (ppm)
8/20/2025
Alkalinity, Carbonate
Detected: 2 MG/L (ppm)
8/20/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 6.6 UG/L (ppb)
10/1/2025
Trichloroaceticacid
Detected: 16 UG/L (ppb)
10/1/2025
Carbon, Total
Detected: 1 MG/L (ppm)
8/20/2025
Alkalinity, Total
Detected: 27 MG/L (ppm)
8/20/2025
TDS
Detected: 47 MG/L (ppm)
8/20/2025
Turbidity
Detected: 0.1 NTU
8/20/2025
A measure of water cloudiness from suspended particles.
Hexachlorocyclopentadiene
Detected: 0.048 UG/L (ppb)
8/26/2025
Conductivity (at 25°C)
Detected: 85.5 UMHO/CM
8/20/2025
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.