Drinking Water Systems in SISTERS, Oregon

7 water systems are reported for this city, with a combined service population of 6,089. The systems have 7 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving SISTERS

RIM AT ASPEN LAKES

31 served0 historical records
A

TOLLGATE WATER COMPANY

800 served8 historical records2 recent
B

INDIAN MEADOW WATER COMPANY

500 served13 historical records
A

SNO-CAP WATER SYSTEM

90 served23 historical records4 recent
C

ASPEN LAKES UTILITY CO LLC

150 served70 historical records1 recent
B

BLACK BUTTE RANCH CORPORATION

740 served4 historical records
A

SISTERS, CITY OF

3,778 served85 historical records
A

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)30 records
Surface Water Treatment Rule12 records
Consumer Confidence Rule7 records
Gross Alpha5 records
Radium-2265 records
Benzene5 records
Lead and Copper Rule4 records
BHC-GAMMA4 records
Nitrate4 records
Revised Total Coliform Rule3 records

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