SWEETWATER SPRINGS CWD - GUERNEVILLE Water Quality Report
Serving roughly 6,000 people in Sonoma County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for SWEETWATER SPRINGS CWD - GUERNEVILLE
1 water provider directly on file, serving roughly 6,000 people in Sonoma County, California.
Quick answer: SWEETWATER SPRINGS CWD - GUERNEVILLE has no violations on file and no single reading stands out against its peers (756 other providers in this area). It serves roughly 6,000 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Copper, Free
Manganese
Alkalinity, Bicarbonate
Alkalinity, Total
Hardness, Total (ASCACO3)
Sodium
Magnesium
Calcium
TDS
Chloride
Sulfate
Adsorbableorganicfluorine
Turbidity
pH
Iron
Conductivity (at 25°C)
Utility SWEETWATER SPRINGS CWD - GUERNEVILLEPopulation served 6,000Owner Local government
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
Copper, Free
Detected: 410 UG/L (ppb)
7/23/2025
Manganese
Detected: 0.07 UG/L (ppb)
9/2/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Iron
Detected: 480 UG/L (ppb)
4/1/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 6.6 MG/L (ppm)
1/29/2025
Sulfate
Detected: 9.4 MG/L (ppm)
1/29/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Sodium
Detected: 11 MG/L (ppm)
1/29/2025
Magnesium
Detected: 25 MG/L (ppm)
1/29/2025
Calcium
Detected: 25 MG/L (ppm)
1/29/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 160 MG/L (ppm)
1/29/2025
pH
Detected: 6.9 PH
1/29/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 200 MG/L (ppm)
1/29/2025
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 160 MG/L (ppm)
1/29/2025
TDS
Detected: 190 MG/L (ppm)
1/29/2025
Adsorbableorganicfluorine
Detected: 1100 NG/L (ppt)
1/29/2025
Turbidity
Detected: 0.15 NTU
1/29/2025
A measure of water cloudiness from suspended particles.
Conductivity (at 25°C)
Detected: 310 UMHO/CM
1/29/2025
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.