C51/100
TANGLEWOOD LAKE WATER CO — Water Quality Report 2026
Serving 1,800 people · Ohio
Water Source
Groundwater
County
—
System ID
OH2802512
Violations
41
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.53 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – June 30, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – December 31, 2022Rule: Ground Water RuleEnforcement: 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 TANGLEWOOD LAKE WATER CO
Is TANGLEWOOD LAKE WATER CO water safe to drink?
TANGLEWOOD LAKE WATER CO water receives a grade of C (51/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 41 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TANGLEWOOD LAKE WATER CO detected?
2 contaminants were tested in TANGLEWOOD LAKE WATER CO's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does TANGLEWOOD LAKE WATER CO have any EPA violations?
Yes, TANGLEWOOD LAKE WATER CO has 41 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other.
How many people does TANGLEWOOD LAKE WATER CO serve?
TANGLEWOOD LAKE WATER CO serves approximately 1,800 people, Ohio.
What type of water does TANGLEWOOD LAKE WATER CO provide?
TANGLEWOOD LAKE WATER CO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH2802512.
How does TANGLEWOOD LAKE WATER CO compare to other utilities in Ohio?
TANGLEWOOD LAKE WATER CO scores 51/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Ohio state page for a full comparison of water systems.