Fragile Water Systems in Oregon

14 community drinking-water systems in Oregon currently rated Fragile (MISI 41–60).

Systems in the Fragile band (MISI 41–60) face meaningful structural challenges across multiple risk families. Typical patterns include concurrent operational stress and capital pressure, or revenue fragility paired with governance risk.

SystemPop. ServedMISIBand

PORTLAND WATER BUREAU666K50.721Fragile

TUALATIN VALLEY WATER DISTRICT225K46.104Fragile

BEAVERTON, CITY OF88K46.467Fragile

TIGARD, CITY OF63K46.104Fragile

SUNRISE WATER AUTHORITY50K40.294Fragile

LAKE OSWEGO MUNICIPAL WATER40K49.387Fragile

OREGON CITY34K40.290Fragile

CLACKAMAS RIVER WATER - CLACKAMAS30K50.864Fragile

MILWAUKIE, CITY OF21K43.645Fragile

SHERWOOD, CITY OF20K40.864Fragile

THE DALLES, CITY OF13K41.831Fragile

MOLALLA, CITY OF10K44.494Fragile

KERNVILLE-GLENEDEN-LINC BCH WD6K43.193Fragile

RIVERGROVE WATER DISTRICT4K40.345Fragile