Public water system record

Wolsborn Farms Water District

Serves an area of Washington County, OR · 90 people served

Federal records show no health-based violations and 46 monitoring/reporting issues for Wolsborn Farms Water District in the last ten years. At least one of these issues remains unresolved.

  • OR4100381
  • HILLSBORO
  • OR
  • 90 served

System profile

Source water Groundwater
ZIP 97123
EPA system ID OR4100381

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
46

Key facts

  • Wolsborn Farms Water District draws water from 1 well.
  • Most recent formal enforcement: compliance order with a penalty by Oregon, May 1998.
  • Record on file since 1976, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 33 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.

None since October 2016.

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
Oct 1, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Consumer Confidence Rule
OTHER
Oct 1, 2024 Active
Consumer Confidence Rule
OTHER
Jul 1, 2024 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
COLIPHAGE
Monitoring and reporting
Aug 1, 2022 Resolved
COLIPHAGE
Monitoring and reporting
Jul 1, 2022 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2018 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2016 Resolved
Ethylbenzene
Monitoring and reporting
Oct 1, 2016 Resolved
Xylenes, Total
Monitoring and reporting
Oct 1, 2016 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2016 Resolved
COLIPHAGE
Monitoring and reporting
Jan 1, 2016 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2014 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2014 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2014 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2014 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2014 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2014 Resolved
LASSO
Monitoring and reporting
Jan 1, 2014 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2014 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2014 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2014 Resolved
Simazine
Monitoring and reporting
Jan 1, 2014 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2014 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2014 Resolved
Endothall
Monitoring and reporting
Jan 1, 2014 Resolved
Diquat
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2014 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2014 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2014 Resolved
Endrin
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1976

EPA's records for Wolsborn Farms Water District go back to 1976. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 69 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 1 4
2000s 1 6
2010 to October 18, 2016 0 57
October 19, 2016 to 2019 0 5
2020s 0 8

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 2000, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
Jan 1, 2000 Resolved
Lead and Copper Rule
Treatment technique failure
Jul 1, 1995 Resolved

Enforcement actions

Oregon regulators took 1 formal enforcement action against Wolsborn Farms Water District in 1998. The most recent was a compliance order with a penalty in May 1998.

Date By Action Violations covered
May 29, 1998 Oregon Compliance order with a penalty 1 violation (1 health-based): Lead and Copper Rule

Where the water comes from

Wolsborn Farms Water District draws water from 1 well.

Annual water quality report

Wolsborn Farms Water District 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 Wolsborn Farms Water District 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 Oregon.