MORRO BAY PW DEPT - WATER DIVISION Water Quality Report
Serving roughly 13,757 people in San Luis Obispo County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for MORRO BAY PW DEPT - WATER DIVISION
1 water provider directly on file, serving roughly 13,757 people in San Luis Obispo County, California.
Quick answer: MORRO BAY PW DEPT - WATER DIVISION has no violations on file. One reading is worth knowing about: Chloride was measured at 800MG/L, among the highest of the 252 providers on file in this area. It's the most notable figure in this system's record among its 252 local peers.
Lead Summary
Copper Summary
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Monobromoaceticacid
Monochloroaceticacid
TDS
Chloride
Nitrite
Nitrate
Utility MORRO BAY PW DEPT - WATER DIVISIONPopulation served 13,757Owner Local government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2024
Copper Summary
Detected: 2.6 mg/L (ppm)
12/31/1993
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 13 UG/L (ppb)
10/7/2025
TTHM
Detected: 47 UG/L (ppb)
10/7/2025
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: 5 UG/L (ppb)
10/7/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 13 UG/L (ppb)
10/7/2025
Bromodichloromethane
Detected: 11 UG/L (ppb)
10/7/2025
Dibromochloromethane
Detected: 18 UG/L (ppb)
10/7/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 800 MG/L (ppm)
10/7/2025
Nitrite
Detected: 0.44 MG/L (ppm)
4/1/2025
Nitrate
Detected: 11.2 MG/L (ppm)
10/28/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 5 UG/L (ppb)
10/7/2025
Trichloroaceticacid
Detected: 3 UG/L (ppb)
10/7/2025
Dibromoaceticacid
Detected: 7 UG/L (ppb)
10/7/2025
Monobromoaceticacid
Detected: 1 UG/L (ppb)
10/7/2025
Monochloroaceticacid
Detected: 3 UG/L (ppb)
7/1/2025
TDS
Detected: 940 MG/L (ppm)
10/7/2025
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.