WEED is served by 2 water providers on file with the EPA.
Data current as of July 2026
๐Straight from EPA
๐งชReal Lab Results
๐ Updated Quarterly
๐ Local Expertise
Results for WEED, CA
2 water providers on file serving this city.
Quick answer: WEED's water has no violations on file and no single reading stands out against its peers (2 other providers in this area). It serves roughly 2,662 people, and the full breakdown below reflects everything EPA and California have on record for it.
Nitrate
Lead Summary
Copper Summary
Copper, Free
Chromium, Hex
Aggressive Index
Magnesium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Fluoride
Turbidity
pH
Manganese
Barium
Arsenic
Zinc
Conductivity (at 25ยฐC)
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2027
Copper Summary
Detected: 1.62 mg/L (ppm)
12/31/1994
Copper, Free
Detected: 111 UG/L (ppb)
8/27/2025
Chromium, Hex
Detected: 0.2 UG/L (ppb)
3/20/2025
Manganese
Detected: 1.79 UG/L (ppb)
4/22/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Barium
Detected: 2.9 UG/L (ppb)
4/22/2025
Arsenic
Detected: 3.18 UG/L (ppb)
4/22/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Zinc
Detected: 5.9 UG/L (ppb)
4/22/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 2.41 MG/L (ppm)
Found at 2 providers
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Chloride
Detected: 8.95 MG/L (ppm)
4/22/2025
Sulfate
Detected: 1.34 MG/L (ppm)
4/22/2025
Fluoride
Detected: 0.3 MG/L (ppm)
4/22/2025
Often added deliberately for dental health; can also occur naturally.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 6.2 MG/L (ppm)
4/22/2025
Sodium
Detected: 19 MG/L (ppm)
4/22/2025
Calcium
Detected: 7.2 MG/L (ppm)
4/22/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 42 MG/L (ppm)
4/22/2025
pH
Detected: 7.54 PH
4/22/2025
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: 74 MG/L (ppm)
4/22/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 10.7 AGGR
4/22/2025
Alkalinity, Total
Detected: 74 MG/L (ppm)
4/22/2025
TDS
Detected: 137 MG/L (ppm)
4/22/2025
Turbidity
Detected: 1.3 NTU
4/22/2025
A measure of water cloudiness from suspended particles.
Conductivity (at 25ยฐC)
Detected: 169 UMHO/CM
4/22/2025
Filtration considerations: General system types, not a specific product recommendation.
Contaminant
Whole-House Carbon
Under-Sink RO
Under-Sink Carbon
Total Trihalomethanes (TTHM)
Yes
Yes
Yes
Haloacetic Acids (HAA5)
Yes
Yes
Yes
Chloroform
Yes
Yes
Yes
Chlorine / Taste
Yes
Yes
Yes
Sediment / Turbidity
Yes
Yes
Yes
Trichloroethylene
Yes
Yes
Yes
Tetrachloroethylene
Yes
Yes
Yes
cis-1,2-Dichloroethylene
Yes
Yes
Yes
1,1-Dichloroethylene
Yes
Yes
Yes
Bromoform
Yes
Yes
Yes
Bromodichloromethane
Yes
Yes
Yes
Dibromochloromethane
Yes
Yes
Yes
1,1,2-Trichloroethane
Yes
Yes
Yes
Vinyl Chloride
Yes
Yes
Yes
Carbon Tetrachloride
Yes
Yes
Yes
Benzene
Yes
Yes
Yes
Toluene
Yes
Yes
Yes
Xylene
Yes
Yes
Yes
Lead
Partial
Yes
Partial
Arsenic
Partial
Yes
Partial
Chromium-6 (Hexavalent)
Partial
Yes
Partial
Copper
Partial
Yes
Partial
Combined Uranium
Partial
Yes
Partial
PFOA
Partial
Yes*
Partial
PFOS
Partial
Yes*
Partial
Nitrate
Partial
Yes
Partial
Combined Radium
Partial
Yes
Partial
Copper, Free
Partial
Yes
Partial
Chromium, Hex
Partial
Yes
Partial
Aggressive Index
Partial
Yes
Partial
Alkalinity, Total
Partial
Yes
Partial
TDS
Partial
Yes
Partial
Chloride
Partial
Yes
Partial
Sulfate
Partial
Yes
Partial
Fluoride
Partial
Yes
Partial
Manganese
Partial
Yes
Partial
Barium
Partial
Yes
Partial
Zinc
Partial
Yes
Partial
Conductivity (at 25ยฐC)
Partial
Yes
Partial
Coliform Bacteria (indicator)
No
Yes
No
Magnesium
No
Partial
No
Sodium
No
Partial
No
Calcium
No
Partial
No
Alkalinity, Bicarbonate
No
No
No
Hardness, Total (ASCACO3)
No
No
No
pH
No
No
No
Individual water providers
WEED, CITY OFNo violations on file โ pop. 2,662
DOLLAR GENERAL STORE - WEEDNo violations on file โ pop. 50