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Public water system record

Northwestern W and SD - Co Rd P PWS

Serves an area of Henry County, OH · 440 people served

Federal records show 10 health-based violations and 4 monitoring/reporting issues for Northwestern W and SD - Co Rd P PWS in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • OH3539212
  • BOWLING GREEN
  • OH
  • 440 served

System profile

Source water Purchased surface water
ZIP 43402
EPA system ID OH3539212

Verify this system on EPA ECHO →

Health-based violations, last 10 years
10
Resolved
10
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Northwestern W and SD - Co Rd P PWS buys its water from Napoleon City.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by Ohio, January 2020.
  • Record on file since 2013, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 14 service lines.

Check whether Northwestern W and SD - Co Rd P PWS serves your address

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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 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jan 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Oct 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Jul 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 220 Apr 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Oct 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Jul 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jan 2, 2020 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2019 Resolved
Consumer Confidence Rule
OTHER
 Sep 14, 2018 Resolved
Public Notice
OTHER
 Aug 12, 2017 Resolved

Full record since 2013

EPA's records for Northwestern W and SD - Co Rd P PWS go back to 2013. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 3 6
October 19, 2016 to 2019 9 3
2020s 0 1

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

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Apr 1, 2016 Resolved

Enforcement actions

Ohio regulators took 4 formal enforcement actions against Northwestern W and SD - Co Rd P PWS between 2018 and 2020. The most recent was a compliance order (no penalty) in January 2020.

Date By Action Violations covered
Jan 16, 2020 Ohio Compliance order (no penalty) 2 violations: Consumer Confidence Rule
Jan 23, 2019 Ohio Compliance order (no penalty) 4 violations (3 health-based): Total Trihalomethanes (TTHMs), Consumer Confidence Rule
Sep 11, 2018 Ohio Compliance order with a penalty 18 violations (12 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Total Coliform, Lead and Copper Rule, Consumer Confidence Rule
Feb 1, 2018 Ohio Compliance order (no penalty) 8 violations (8 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

10 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 - Co Rd P PWS buys its water from Napoleon City. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Northwestern W and SD - Co Rd P PWS 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Northwestern W and SD - Co Rd P PWS for a copy.

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