Serving roughly 40,809 people in Santa Cruz County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
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Results for SOQUEL CREEK WATER DISTRICT
1 water provider directly on file, serving roughly 40,809 people in Santa Cruz County, California.
Quick answer: SOQUEL CREEK WATER DISTRICT has no violations on file. One reading is worth knowing about: Bromoform was measured at 30UG/L, among the highest of the 193 providers on file in this area. It's the most notable figure in this system's record among its 193 local peers.
Lead Summary
Lithium
Lead
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Monobromoaceticacid
Copper, Free
Turbidity
Iron
Arsenic
Color
Aggressive Index
Langelier Index (pH(s))
Langelier Index (Source Temp.)
Magnesium
Potassium
Sodium
Hardness, Total (ASCACO3)
Calcium
Bromide
Alkalinity, Total
Alkalinity, Bicarbonate
Nitrogen-Ammoniaas (N)
Utility SOQUEL CREEK WATER DISTRICTPopulation served 40,809Owner Local government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.002 mg/L (ppm)
12/31/2025
Lead
Detected: 1.8 UG/L (ppb)
9/15/2025
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: 155 UG/L (ppb)
9/28/2025
Iron
Detected: 117 UG/L (ppb)
9/3/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Arsenic
Detected: 1.7 UG/L (ppb)
9/11/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 6.4 UG/L (ppb)
10/21/2025
TTHM
Detected: 68 UG/L (ppb)
10/21/2025
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: 2.9 UG/L (ppb)
10/21/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 30 UG/L (ppb)
10/21/2025
Bromodichloromethane
Detected: 9.2 UG/L (ppb)
10/21/2025
Dibromochloromethane
Detected: 26 UG/L (ppb)
10/21/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 31.5 MG/L (ppm)
9/24/2025
Potassium
Detected: 2.9 MG/L (ppm)
9/24/2025
Sodium
Detected: 23 MG/L (ppm)
9/24/2025
Calcium
Detected: 34 MG/L (ppm)
9/24/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Langelier Index (pH(s))
Detected: 0.85 LANG
9/8/2025
Hardness, Total (ASCACO3)
Detected: 214 MG/L (ppm)
9/24/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 79.8 µg/L (ppb)
11/25/2025
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
Bromide
Detected: 0.2 MG/L (ppm)
4/3/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 217 MG/L (ppm)
9/24/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 1.4 UG/L (ppb)
10/21/2025
Trichloroaceticacid
Detected: 1.1 UG/L (ppb)
7/22/2025
Dibromoaceticacid
Detected: 5 UG/L (ppb)
10/21/2025
Monobromoaceticacid
Detected: 1.1 UG/L (ppb)
7/22/2025
Turbidity
Detected: 0.2 NTU
10/23/2025
A measure of water cloudiness from suspended particles.
Color
Detected: 3 UNITS
10/23/2025
Aggressive Index
Detected: 12.2 AGGR
9/8/2025
Langelier Index (Source Temp.)
Detected: 0.03 LANG
9/8/2025
Alkalinity, Total
Detected: 178 MG/L (ppm)
9/24/2025
Nitrogen-Ammoniaas (N)
Detected: 0.36 MG/L (ppm)
8/19/2025
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.