💧 ZIP Water Report

Tap water in Portland, TN — ZIP 37148

2 public water systems serving about 40,316 people.

A
Excellent

Water systems serving 37148

Portland Water System
PWSID TN0000559 · serves 25,761 · surface water
0 health-based / 1 total violations (5 yrs)
A
Castalian Springs-Bethpage U.d.
PWSID TN0000097 · serves 14,555 · surface water
0 health-based / 1 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology