Serving roughly 54,793 people in Sacramento County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for CAL AM - SUBURBAN ROSEMONT
1 water provider directly on file, serving roughly 54,793 people in Sacramento County, California.
Quick answer: CAL AM - SUBURBAN ROSEMONT has no violations on file. One reading is worth knowing about: Perfluorohexanesulfonicacid (PFHxS) was measured at 36NG/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
PFHXS
PFPEA
PFHPA
PFHXA
PFOA
PFOS
PFBA
Aggressive Index
Sodium
Magnesium
Calcium
Silica
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Sulfate
Chloride
Nitrate
Nitrate-Nitrite
Perfluorohexanesulfonicacid (PFHxS)
Perfluorobutanesulfonicacid (PFBS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluoroheptanoicacid (PFHPA)
Perfluorohexanoicacid (PFHXA)
Perfluoropentanoicacid (PFPEA)
Perfluoropentanesulfonicacid (PFPES)
Perfluorobutanoicacid (PFBA)
Turbidity
pH, Field
Conductivity (at 25°C)
Color
Lead
Copper, Free
Utility CAL AM - SUBURBAN ROSEMONTPopulation served 54,793Owner Private
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)
12/31/2025
Lead
Detected: 40 UG/L (ppb)
8/18/2025
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: 116 UG/L (ppb)
9/22/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 5.9 MG/L (ppm)
2/27/2025
Chloride
Detected: 4.4 MG/L (ppm)
2/27/2025
Nitrate
Detected: 2.48 MG/L (ppm)
7/1/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Nitrate-Nitrite
Detected: 2.42 MG/L (ppm)
2/27/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Sodium
Detected: 13.2 MG/L (ppm)
7/1/2025
Magnesium
Detected: 9 MG/L (ppm)
7/1/2025
Calcium
Detected: 23 MG/L (ppm)
7/1/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 80 MG/L (ppm)
2/27/2025
pH, Field
Detected: 8.4 PH
2/27/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFHXS
Detected: 0.0033 µg/L (ppb)
11/12/2024
PFPEA
Detected: 0.005 µg/L (ppb)
9/12/2023
PFHPA
Detected: 0.0034 µg/L (ppb)
9/12/2023
PFHXA
Detected: 0.0051 µg/L (ppb)
9/12/2023
PFOA
Detected: 0.0082 µg/L (ppb)
3/15/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOS
Detected: 0.0134 µg/L (ppb)
9/5/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFBA
Detected: 0.009 µg/L (ppb)
9/6/2023
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 106 MG/L (ppm)
2/27/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 12.1 AGGR
2/27/2025
Silica
Detected: 53 MG/L (ppm)
7/1/2025
Alkalinity, Total
Detected: 87 MG/L (ppm)
2/27/2025
TDS
Detected: 170 MG/L (ppm)
2/27/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 36 NG/L (ppt)
9/2/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 4.7 NG/L (ppt)
9/2/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 62 NG/L (ppt)
9/2/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 12 NG/L (ppt)
9/2/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroheptanoicacid (PFHPA)
Detected: 3.8 NG/L (ppt)
9/2/2025
Perfluorohexanoicacid (PFHXA)
Detected: 17.4 NG/L (ppt)
9/2/2025
Perfluoropentanoicacid (PFPEA)
Detected: 13.1 NG/L (ppt)
9/2/2025
Perfluoropentanesulfonicacid (PFPES)
Detected: 4.5 NG/L (ppt)
8/5/2025
Perfluorobutanoicacid (PFBA)
Detected: 6.7 NG/L (ppt)
9/2/2025
Turbidity
Detected: 0.45 NTU
2/27/2025
A measure of water cloudiness from suspended particles.
Conductivity (at 25°C)
Detected: 210 UMHO/CM
2/27/2025
Color
Detected: 6 UNITS
2/27/2025
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.