Serving roughly 4,191 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 CAL AM - ARDEN
1 water provider directly on file, serving roughly 4,191 people in Sacramento County, California.
Quick answer: CAL AM - ARDEN has no violations on file and no single reading stands out against its peers (467 other providers in this area). It serves roughly 4,191 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
PFOS
PFHXS
PFOA
PFHXA
PFPEA
Lead
Copper, Free
Nitrate
Perfluorobutanesulfonicacid (PFBS)
Perfluoropentanoicacid (PFPEA)
Perfluoroheptanoicacid (PFHPA)
Perfluorohexanesulfonicacid (PFHxS)
Perfluorohexanoicacid (PFHXA)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorobutanoicacid (PFBA)
Trichloroethylene
Arsenic
Aggressive Index
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Turbidity
pH
pH, Field
Conductivity (at 25°C)
Utility CAL AM - ARDENPopulation served 4,191Owner Private
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.001 mg/L (ppm)
12/31/2025
Lead
Detected: 1 UG/L (ppb)
6/12/2025
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: 97 UG/L (ppb)
9/5/2025
Arsenic
Detected: 2 UG/L (ppb)
7/14/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.84 MG/L (ppm)
7/14/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Chloride
Detected: 3.7 MG/L (ppm)
6/3/2025
Sulfate
Detected: 7.6 MG/L (ppm)
6/3/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Calcium
Detected: 12 MG/L (ppm)
9/9/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 33 MG/L (ppm)
6/3/2025
pH
Detected: 6.5 PH
9/9/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
pH, Field
Detected: 7.8 PH
6/3/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFOS
Detected: 0.006 µg/L (ppb)
5/1/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0042 µg/L (ppb)
8/8/2023
PFOA
Detected: 0.0046 µg/L (ppb)
8/8/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXA
Detected: 0.0037 µg/L (ppb)
2/6/2023
PFPEA
Detected: 0.004 µg/L (ppb)
2/6/2023
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Trichloroethylene
Detected: 0.7 UG/L (ppb)
7/14/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 23 MG/L (ppm)
9/9/2025
Other
Additional substances tested that don't fit neatly into the categories above
Perfluorobutanesulfonicacid (PFBS)
Detected: 4.5 NG/L (ppt)
9/18/2025
Perfluoropentanoicacid (PFPEA)
Detected: 5.2 NG/L (ppt)
9/18/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 2.4 NG/L (ppt)
9/18/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 8 NG/L (ppt)
9/18/2025
Perfluorohexanoicacid (PFHXA)
Detected: 4.3 NG/L (ppt)
9/18/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 2.4 NG/L (ppt)
9/18/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 3.2 NG/L (ppt)
9/18/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorobutanoicacid (PFBA)
Detected: 2.4 NG/L (ppt)
9/18/2025
Aggressive Index
Detected: 9.32 AGGR
9/9/2025
Alkalinity, Total
Detected: 23 MG/L (ppm)
9/9/2025
TDS
Detected: 64 MG/L (ppm)
6/3/2025
Turbidity
Detected: 0.1 NTU
6/3/2025
A measure of water cloudiness from suspended particles.
Conductivity (at 25°C)
Detected: 84 UMHO/CM
6/3/2025
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.