F0/100
TWIN CITY WATER AND SEWER DISTRICT PWS — Water Quality Report 2026
Serving 9,224 people · Ohio
Water Source
Groundwater
County
—
System ID
OH7901711
Violations
56
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 78.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 TWIN CITY WATER AND SEWER DISTRICT PWS
Is TWIN CITY WATER AND SEWER DISTRICT PWS water safe to drink?
TWIN CITY WATER AND SEWER DISTRICT PWS water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 56 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TWIN CITY WATER AND SEWER DISTRICT PWS detected?
32 contaminants were tested in TWIN CITY WATER AND SEWER DISTRICT PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does TWIN CITY WATER AND SEWER DISTRICT PWS have any EPA violations?
Yes, TWIN CITY WATER AND SEWER DISTRICT PWS has 56 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MR, TT. 13 are health-based violations.
How many people does TWIN CITY WATER AND SEWER DISTRICT PWS serve?
TWIN CITY WATER AND SEWER DISTRICT PWS serves approximately 9,224 people, Ohio.
What type of water does TWIN CITY WATER AND SEWER DISTRICT PWS provide?
TWIN CITY WATER AND SEWER DISTRICT PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH7901711.
How does TWIN CITY WATER AND SEWER DISTRICT PWS compare to other utilities in Ohio?
TWIN CITY WATER AND SEWER DISTRICT PWS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Ohio state page for a full comparison of water systems.