MIDWAY CITY is served by 2 water providers on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for MIDWAY CITY, CA
2 water providers on file serving this city.
Quick answer: MIDWAY CITY'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 1,305 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
TTHM
Bromoform
Dibromochloromethane
Copper, Free
Magnesium
Potassium
Sodium
Calcium
Hardness, Total (ASCACO3)
Bromide
Alkalinity, Total
Carbon, Total
TDS
Sulfate
Chloride
Nitrate-Nitrite
Nitrate
Radium-228
pH
Manganese
Barium
Arsenic
Conductivity (at 25°C)
Violations on file
Nitrate
Older/archived health-based violation
Found at 1 of 2 providers
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
Found at 2 providers
Copper, Free
Detected: 190 UG/L (ppb)
Found at 2 providers
Manganese
Detected: 4.5 UG/L (ppb)
1/6/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Barium
Detected: 50.6 UG/L (ppb)
3/26/2025
Arsenic
Detected: 2.2 UG/L (ppb)
1/6/2025
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
TTHM
Detected: 3 UG/L (ppb)
Found at 2 providers
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.
Bromoform
Detected: 1.3 UG/L (ppb)
Found at 2 providers
Dibromochloromethane
Detected: 1.7 UG/L (ppb)
Found at 2 providers
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 70.7 MG/L (ppm)
Found at 2 providers
Chloride
Detected: 31.7 MG/L (ppm)
Found at 2 providers
Nitrate-Nitrite
Detected: 1.04 MG/L (ppm)
Found at 2 providers
Nitrate
Detected: 1.04 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.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 8.7 MG/L (ppm)
3/26/2025
Potassium
Detected: 2.6 MG/L (ppm)
3/26/2025
Sodium
Detected: 29.4 MG/L (ppm)
3/26/2025
Calcium
Detected: 74.8 MG/L (ppm)
Found at 2 providers
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 163 MG/L (ppm)
3/26/2025
pH
Detected: 8.1 PH
Found at 2 providers
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Bromide
Detected: 0.09 MG/L (ppm)
Found at 2 providers
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 181 MG/L (ppm)
Found at 2 providers
Carbon, Total
Detected: 0.06 MG/L (ppm)
3/26/2025
TDS
Detected: 374 MG/L (ppm)
Found at 2 providers
Radium-228
Detected: 0.069 PCI/L
3/26/2025
Conductivity (at 25°C)
Detected: 586 UMHO/CM
Found at 2 providers
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
Bromide
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
Alkalinity, Total
Partial
Yes
Partial
Carbon, Total
Partial
Yes
Partial
TDS
Partial
Yes
Partial
Sulfate
Partial
Yes
Partial
Chloride
Partial
Yes
Partial
Nitrate-Nitrite
Partial
Yes
Partial
Manganese
Partial
Yes
Partial
Barium
Partial
Yes
Partial
Conductivity (at 25°C)
Partial
Yes
Partial
Coliform Bacteria (indicator)
No
Yes
No
Magnesium
No
Partial
No
Potassium
No
Partial
No
Sodium
No
Partial
No
Calcium
No
Partial
No
Hardness, Total (ASCACO3)
No
No
No
pH
No
No
No
Individual water providers
MIDWAY CITY MUTUAL WCNo violations on file — pop. 1,305
SOUTH MIDWAY CITY MUTUAL WATER CO.Older violation on record — pop. 891