C48/100
PORTLAND WATER SYSTEM — Water Quality Report 2026
Serving 23,509 people · Tennessee
Water Source
Surface Water
County
—
System ID
TN0000559
Violations
26
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 320.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – June 30, 2022Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About PORTLAND WATER SYSTEM
Is PORTLAND WATER SYSTEM water safe to drink?
PORTLAND WATER SYSTEM water receives a grade of C (48/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 26 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PORTLAND WATER SYSTEM detected?
69 contaminants were tested in PORTLAND WATER SYSTEM's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does PORTLAND WATER SYSTEM have any EPA violations?
Yes, PORTLAND WATER SYSTEM has 26 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other, MCL. 5 are health-based violations.
How many people does PORTLAND WATER SYSTEM serve?
PORTLAND WATER SYSTEM serves approximately 23,509 people, Tennessee. The system provides water to 1 community: Portland.
What type of water does PORTLAND WATER SYSTEM provide?
PORTLAND WATER SYSTEM sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TN0000559.
How does PORTLAND WATER SYSTEM compare to other utilities in Tennessee?
PORTLAND WATER SYSTEM scores 48/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Tennessee state page for a full comparison of water systems.