Serving roughly 32,517 people in Kern County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
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Results for EAST NILES CSD
1 water provider directly on file, serving roughly 32,517 people in Kern County, California.
Quick answer: EAST NILES CSD 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
Lithium
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Bromoform
Monochloroaceticacid
Copper, Free
Nitrate
Arsenic
Magnesium
Calcium
Potassium
Hardness, Total (ASCACO3)
Sodium
Alkalinity, Total
Alkalinity, Bicarbonate
TDS
Chloride
Sulfate
Fluoride
Nitrate-Nitrite
Turbidity
pH
1, 2, 3-Trichloropropane
Chromium, Hex
Selenium
Conductivity (at 25°C)
Combined Uranium
Utility EAST NILES CSDPopulation served 32,517Owner 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: 0.0014 mg/L (ppm)
12/31/2022
Copper, Free
Detected: 110 UG/L (ppb)
9/3/2025
Arsenic
Detected: 28 UG/L (ppb)
10/30/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Chromium, Hex
Detected: 0.084 UG/L (ppb)
4/9/2025
Selenium
Detected: 2.4 UG/L (ppb)
4/9/2025
Combined Uranium
Detected: 7.81 PCI/L
10/1/2025
A naturally occurring radioactive metal. Long-term exposure above the legal limit is associated with kidney effects and increased cancer risk.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 25.2 UG/L (ppb)
8/20/2025
TTHM
Detected: 39.8 UG/L (ppb)
8/20/2025
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: 29.8 UG/L (ppb)
8/20/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 8.7 UG/L (ppb)
8/20/2025
Dibromochloromethane
Detected: 1.3 UG/L (ppb)
8/20/2025
Bromoform
Detected: 2.6 UG/L (ppb)
2/19/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 3.51 MG/L (ppm)
10/16/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Chloride
Detected: 71 MG/L (ppm)
4/9/2025
Sulfate
Detected: 68 MG/L (ppm)
4/9/2025
Fluoride
Detected: 0.13 MG/L (ppm)
4/9/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate-Nitrite
Detected: 0.46 MG/L (ppm)
4/9/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 0.86 MG/L (ppm)
4/9/2025
Calcium
Detected: 30 MG/L (ppm)
4/9/2025
Potassium
Detected: 2.7 MG/L (ppm)
4/9/2025
Sodium
Detected: 74 MG/L (ppm)
4/9/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 78 MG/L (ppm)
4/9/2025
pH
Detected: 8.26 PH
4/9/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 20.6 µg/L (ppb)
2/19/2025
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
1, 2, 3-Trichloropropane
Detected: 0.114 UG/L (ppb)
10/1/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 83 MG/L (ppm)
4/9/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 11.6 UG/L (ppb)
8/20/2025
Trichloroaceticacid
Detected: 13.6 UG/L (ppb)
8/20/2025
Dibromoaceticacid
Detected: 1 UG/L (ppb)
5/14/2025
Monochloroaceticacid
Detected: 1 UG/L (ppb)
5/14/2025
Alkalinity, Total
Detected: 83 MG/L (ppm)
4/9/2025
TDS
Detected: 320 MG/L (ppm)
4/9/2025
Turbidity
Detected: 0.21 NTU
4/9/2025
A measure of water cloudiness from suspended particles.
Conductivity (at 25°C)
Detected: 580 UMHO/CM
4/9/2025
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.