Serving roughly 48,094 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 - LINCOLN OAKS
1 water provider directly on file, serving roughly 48,094 people in Sacramento County, California.
Quick answer: CAL AM - LINCOLN OAKS has no violations on file. One reading is worth knowing about: Tetrachloroethylene was measured at 2.7UG/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
Lithium
PFHPA
Aggressive Index
Sodium
Magnesium
Calcium
Silica
Sulfate
Chloride
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Nitrate
Nitrate-Nitrite
Perfluorohexanesulfonicacid (PFHxS)
Perfluorobutanesulfonicacid (PFBS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluoropentanoicacid (PFPEA)
Perfluoroheptanoicacid (PFHPA)
Perfluorobutanoicacid (PFBA)
Turbidity
pH, Field
Iron
Manganese
Chromium, Hex
Tetrachloroethylene
Trichloroethylene
Chloroform
Perchlorate
Barium
Conductivity (at 25°C)
Lead
Copper, Free
TTHM
Radium-228
Combined Radium (-226 & -228)
Gross Alpha Particle Activity
Utility CAL AM - LINCOLN OAKSPopulation served 48,094Owner 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
Iron
Detected: 150 UG/L (ppb)
7/17/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Manganese
Detected: 20 UG/L (ppb)
8/27/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Chromium, Hex
Detected: 1.7 UG/L (ppb)
8/27/2025
Barium
Detected: 100 UG/L (ppb)
8/27/2025
Lead
Detected: 1 UG/L (ppb)
9/2/2025
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: 108 UG/L (ppb)
9/23/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Chloroform
Detected: 1.8 UG/L (ppb)
4/8/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
TTHM
Detected: 0.73 UG/L (ppb)
4/7/2025
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.
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 11.9 MG/L (ppm)
8/27/2025
Chloride
Detected: 15.1 MG/L (ppm)
8/27/2025
Nitrate
Detected: 2.8 MG/L (ppm)
9/18/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Nitrate-Nitrite
Detected: 2.8 MG/L (ppm)
9/18/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Sodium
Detected: 15.5 MG/L (ppm)
8/27/2025
Magnesium
Detected: 17 MG/L (ppm)
8/27/2025
Calcium
Detected: 32 MG/L (ppm)
8/27/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 140 MG/L (ppm)
8/27/2025
pH, Field
Detected: 7.7 PH
8/27/2025
Gross Alpha Particle Activity
Detected: 1.88 PCI/L
6/18/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 15.5 µg/L (ppb)
12/18/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFHPA
Detected: 0.003 µg/L (ppb)
2/7/2023
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Tetrachloroethylene
Detected: 2.7 UG/L (ppb)
9/3/2025
Trichloroethylene
Detected: 0.6 UG/L (ppb)
4/14/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 195 MG/L (ppm)
8/27/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 11.8 AGGR
8/27/2025
Silica
Detected: 70 MG/L (ppm)
8/27/2025
Alkalinity, Total
Detected: 160 MG/L (ppm)
8/27/2025
TDS
Detected: 260 MG/L (ppm)
8/27/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 3.7 NG/L (ppt)
7/17/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 2.3 NG/L (ppt)
4/8/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 3.2 NG/L (ppt)
3/4/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 2.6 NG/L (ppt)
4/8/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 3.5 NG/L (ppt)
4/8/2025
Perfluoropentanoicacid (PFPEA)
Detected: 3.4 NG/L (ppt)
4/8/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 2.9 NG/L (ppt)
4/8/2025
Perfluorobutanoicacid (PFBA)
Detected: 4.4 NG/L (ppt)
3/5/2025
Turbidity
Detected: 0.25 NTU
8/27/2025
A measure of water cloudiness from suspended particles.
Perchlorate
Detected: 1.3 UG/L (ppb)
9/16/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
Conductivity (at 25°C)
Detected: 360 UMHO/CM
8/27/2025
Radium-228
Detected: 0.272 PCI/L
9/16/2025
Combined Radium (-226 & -228)
Detected: 0.466 PCI/L
9/16/2025
A naturally occurring radioactive element found in some groundwater.
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.