Serving roughly 30,825 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 SCWA MATHER-SUNRISE
1 water provider directly on file, serving roughly 30,825 people in Sacramento County, California.
Quick answer: SCWA MATHER-SUNRISE currently has an open health-based violation on file: Lead And Copper Rule Revisions, a compliance issue since 10/17/2024. This is active, not historical — see the violation detail below for what EPA's enforcement record shows.
Lead Summary
Magnesium
Calcium
Sodium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
pH
Odor
Conductivity (at 25°C)
Aggressive Index
Langelier Index (pH(s))
Potassium
Foamingagents (SURFACTANTS)
Iron
Manganese
Barium
Utility SCWA MATHER-SUNRISEPopulation served 30,825Owner Local government
Open violation on file
Violations on file
Lead And Copper Rule Revisions
Currently open health violation
Found at 1 of 1 provider
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2026
Iron
Detected: 39 UG/L (ppb)
5/13/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Manganese
Detected: 75 UG/L (ppb)
5/13/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Barium
Detected: 51 UG/L (ppb)
5/13/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 5.3 MG/L (ppm)
8/13/2025
Sulfate
Detected: 3.1 MG/L (ppm)
8/13/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 5.1 MG/L (ppm)
8/13/2025
Calcium
Detected: 11 MG/L (ppm)
8/13/2025
Sodium
Detected: 11 MG/L (ppm)
8/13/2025
Potassium
Detected: 2.5 MG/L (ppm)
2/4/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 48 MG/L (ppm)
8/13/2025
pH
Detected: 7.9 PH
8/13/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
Langelier Index (pH(s))
Detected: -0.54 LANG
2/4/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 62 MG/L (ppm)
8/13/2025
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 62 MG/L (ppm)
8/13/2025
TDS
Detected: 95 MG/L (ppm)
8/13/2025
Odor
Detected: 2 TON
8/13/2025
Conductivity (at 25°C)
Detected: 150 UMHO/CM
8/13/2025
Aggressive Index
Detected: 11.5 AGGR
2/4/2025
Foamingagents (SURFACTANTS)
Detected: 0.05 MG/L (ppm)
5/13/2025
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.