Drinking Water Systems in HAPPY VALLEY, Oregon
5 water systems are reported for this city, with a combined service population of 50,170. The systems have 13 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving HAPPY VALLEY
SPAR TREE MHP
26 served66 historical records4 recent
C
SUNRISE WATER AUTHORITY
50,003 served4 historical records
A
NORTH CLACKAMAS COUNTY WC
0 served11 historical records1 recent
C
MAPLE TERRACE MOBILE HOME PARK
70 served21 historical records6 recent
D
TERRAND MOBILE TERRACE
71 served120 historical records2 recent
B
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)52 records
Consumer Confidence Rule9 records
Lead and Copper Rule8 records
Benzene5 records
Radium-2264 records
Gross Alpha4 records
Revised Total Coliform Rule4 records
Styrene3 records
BHC-GAMMA3 records
Endothall3 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.