KONOCTI COUNTY WATER DISTRICT Water Quality Report
Serving roughly 5,928 people in Lake County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for KONOCTI COUNTY WATER DISTRICT
1 water provider directly on file, serving roughly 5,928 people in Lake County, California.
Quick answer: KONOCTI COUNTY WATER DISTRICT has no violations on file and no single reading stands out against its peers (291 other providers in this area). It serves roughly 5,928 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lithium
PFBA
PFPEA
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
Carbon, Total
Bromate
Alkalinity, Total
Alkalinity, Bicarbonate
Alkalinity, Carbonate
Utility KONOCTI COUNTY WATER DISTRICTPopulation served 5,928Owner 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: 150 UG/L (ppb)
7/8/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 24 UG/L (ppb)
7/16/2025
TTHM
Detected: 57.14 UG/L (ppb)
7/16/2025
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.
Chloroform
Detected: 43.96 UG/L (ppb)
7/16/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 10.4 UG/L (ppb)
7/16/2025
Dibromochloromethane
Detected: 2.78 UG/L (ppb)
7/16/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 21 µg/L (ppb)
10/4/2023
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFBA
Detected: 0.0082 µg/L (ppb)
4/5/2023
PFPEA
Detected: 0.0039 µg/L (ppb)
4/5/2023
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 160 MG/L (ppm)
10/8/2025
Alkalinity, Carbonate
Detected: 10 MG/L (ppm)
10/8/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 12 UG/L (ppb)
7/16/2025
Trichloroaceticacid
Detected: 12 UG/L (ppb)
7/16/2025
Dibromoaceticacid
Detected: 1.1 UG/L (ppb)
7/16/2025
Carbon, Total
Detected: 2.4 MG/L (ppm)
10/8/2025
Bromate
Detected: 1 UG/L (ppb)
5/14/2025
Alkalinity, Total
Detected: 170 MG/L (ppm)
10/8/2025
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.