Public water system record

Simnasho Schoolie

On record as serving Wasco County, OR · Serves 350 people

Federal records show 12 health-based violations and 34 monitoring/reporting issues for Simnasho Schoolie in the last ten years, including an unresolved Groundwater Rule violation.

  • 104101102
  • WARM SPRINGS
  • OR
  • 350 served

System profile

Source water Groundwater
ZIP 97761
EPA system ID 104101102

Verify this system on EPA ECHO →

Health-based violations, last 10 years
12
Resolved
1
Unresolved
11
Any acute record
No
Monitoring issues, last 10 years
34

Key facts

  • Simnasho Schoolie draws water from 2 wells.
  • Most recent formal enforcement: signed compliance agreement by EPA, November 2011.
  • Record on file since 1976, with 21 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 84 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
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Apr 20, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jan 1, 2025 Active No
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Jun 27, 2025 Active
Public Notice
OTHER
Dec 13, 2024 Active
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Active
Nitrate
Monitoring and reporting
Jan 1, 2024 Resolved
Revised Total Coliform Rule
RPT
Aug 1, 2023 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
2,3,7,8-TCDD
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jan 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 2, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2022 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Oct 2, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2017 Resolved
2,3,7,8-TCDD
Monitoring and reporting
Jan 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2015 Resolved

Full record since 1976

EPA's records for Simnasho Schoolie go back to 1976. Before October 19, 2016 they list 21 health-based violations (20 resolved, 1 archived by EPA without a recorded fix) and 251 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 0 2
2000s 3 65
2010 to October 18, 2016 18 182
October 19, 2016 to 2019 0 3
2020s 12 27

Most recent health-based violation before October 19, 2016: Arsenic, began July 2014, Resolved.

Show all 21 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
Jul 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.03 mg/L, federal limit 0.01 mg/L (3 times the limit)
Apr 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.035 mg/L, federal limit 0.01 mg/L (3.5 times the limit)
Oct 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.04 mg/L, federal limit 0.01 mg/L (4 times the limit)
Jul 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.04 mg/L, federal limit 0.01 mg/L (4 times the limit)
Apr 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.034 mg/L, federal limit 0.01 mg/L (3.4 times the limit)
Jan 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
Oct 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.03 mg/L, federal limit 0.01 mg/L (3 times the limit)
Jul 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.035 mg/L, federal limit 0.01 mg/L (3.5 times the limit)
Apr 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.041 mg/L, federal limit 0.01 mg/L (4.1 times the limit)
Jan 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.03 mg/L, federal limit 0.01 mg/L (3 times the limit)
Oct 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.03 mg/L, federal limit 0.01 mg/L (3 times the limit)
Jul 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.022 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
Apr 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
Jan 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.024 mg/L, federal limit 0.01 mg/L (2.4 times the limit)
Oct 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.025 mg/L, federal limit 0.01 mg/L (2.5 times the limit)
Jul 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.028 mg/L, federal limit 0.01 mg/L (2.8 times the limit)
Apr 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.035 mg/L, federal limit 0.01 mg/L (3.5 times the limit)
Jan 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
Jul 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Jul 9, 2001 Archived

Enforcement actions

EPA took 1 formal enforcement action against Simnasho Schoolie in 2011. The most recent was a signed compliance agreement in November 2011.

Date By Action Violations covered
Nov 14, 2011 EPA Signed compliance agreement 21 violations (20 health-based): Arsenic

What the violations mean

Groundwater Rule

11 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Simnasho Schoolie draws water from 2 wells.

Annual water quality report

Simnasho Schoolie 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 Simnasho Schoolie 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 EPA Region 10.