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Public water system record

Northwestern W and SD - Toledo SVC Area

Serves an area of Wood County, OH that includes Walbridge, Northwood, Stony Ridge and 1 more place · 19,758 people served

Federal records show 3 health-based violations and 3 monitoring/reporting issues for Northwestern W and SD - Toledo SVC Area in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • OH8752812
  • BOWLING GREEN
  • OH
  • 19,758 served

System profile

Source water Purchased surface water
ZIP 43402
EPA system ID OH8752812

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
3

Key facts

  • Northwestern W and SD - Toledo SVC Area buys its water from City of Toledo.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2020.
  • Record on file since 2011, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 69 lead and 1,697 unknown out of 6,567 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jul 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jan 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0842 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jul 1, 2019 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jul 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jan 9, 2020 Active

Full record since 2011

EPA's records for Northwestern W and SD - Toledo SVC Area go back to 2011. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 1 2
October 19, 2016 to 2019 1 0
2020s 2 3

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 2014, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Apr 1, 2014 Resolved

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Northwestern W and SD - Toledo SVC Area buys its water from City of Toledo. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Northwestern W and SD - Toledo SVC Area must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Ohio.

Certified drinking water labs by state EPA guidance for private wells