LOMPOC-CITY WATER UTILITY DIV Water Quality Report
Serving roughly 40,473 people in Santa Barbara County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
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Results for LOMPOC-CITY WATER UTILITY DIV
1 water provider directly on file, serving roughly 40,473 people in Santa Barbara County, California.
Quick answer: LOMPOC-CITY WATER UTILITY DIV has no violations on file. One reading is worth knowing about: Turbidity was measured at 20NTU, among the highest of the 255 providers on file in this area. It's the most notable figure in this system's record among its 255 local peers.
Lead Summary
Lithium
Aggressive Index
Langelier Index (pH(s))
Magnesium
Sodium
Hardness, Total (ASCACO3)
Calcium
Potassium
Alkalinity, Total
Alkalinity, Bicarbonate
TDS
Chloride
Sulfate
Fluoride
Turbidity
pH, Field
pH
Utility LOMPOC-CITY WATER UTILITY DIVPopulation served 40,473Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 98 MG/L (ppm)
10/28/2025
Sulfate
Detected: 452 MG/L (ppm)
10/28/2025
Fluoride
Detected: 0.3 MG/L (ppm)
2/26/2025
Often added deliberately for dental health; can also occur naturally.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 73 MG/L (ppm)
10/8/2025
Sodium
Detected: 106 MG/L (ppm)
10/8/2025
Calcium
Detected: 151 MG/L (ppm)
10/8/2025
Potassium
Detected: 5 MG/L (ppm)
2/26/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Langelier Index (pH(s))
Detected: 0.3 LANG
2/26/2025
Hardness, Total (ASCACO3)
Detected: 707 MG/L (ppm)
10/28/2025
pH, Field
Detected: 7.21 PH
2/26/2025
pH
Detected: 7.3 PH
8/15/2025
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: 37.5 µg/L (ppb)
10/12/2023
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 460 MG/L (ppm)
10/8/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 12.2 AGGR
2/26/2025
Alkalinity, Total
Detected: 350 MG/L (ppm)
10/28/2025
TDS
Detected: 1188 MG/L (ppm)
10/28/2025
Turbidity
Detected: 20 NTU
2/26/2025
A measure of water cloudiness from suspended particles.
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.