Drinking Water Systems in Sunnyside, Washington

2 water systems are reported for this city, with a combined service population of 17,314. The systems have 4 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving Sunnyside

SUNNYSIDE CITY OF

17,194 served34 historical records4 recent
C

MARQUEZ MOBILE HOME PARK

120 served7 historical records
A

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)8 records
Total Trihalomethanes (TTHMs)5 records
Haloacetic Acids (HAA5)5 records
Diquat4 records
Endrin1 record
Toxaphene1 record
Di(2-ethylhexyl) phthalate1 record
Atrazine1 record
Benzene1 record
Consumer Confidence Rule1 record

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.