Drinking Water Systems Reported for ZIP 74820
ADA, Oklahoma — 4 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
ADA
PWSID: OK2006201
2 EPA violation records in the five-year period ending June 30, 2026
C
Some recent records
TapScore compliance-history grade
Other Systems Reported for This ZIP
PONTOTOC CO RWD # 7
4,863 served5 historical records
A
PONTOTOC CO RWD # 8
4,250 served30 historical records
A
PONTOTOC CO RWD # 1 (HOMER)
441 served0 historical records
A