Public water system record

Mapleton Water District

Serves Mapleton, Lane County, OR · 600 people served

Federal records show 3 health-based violations and 111 monitoring/reporting issues for Mapleton Water District in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • OR4100507
  • MAPLETON
  • OR
  • 600 served

System profile

Source water Surface water
ZIP 97453
EPA system ID OR4100507

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
111

Key facts

  • Mapleton Water District draws water from 1 surface water intake.
  • Most recent formal enforcement: compliance order with a penalty by Oregon, August 1999.
  • Record on file since 1976, with 67 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 260 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
Surface Water Treatment Rule
Treatment technique failure
120 May 1, 2024 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 May 1, 2024 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Apr 1, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
May 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Styrene
Monitoring and reporting
Jan 1, 2023 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2023 Resolved
Toluene
Monitoring and reporting
Jan 1, 2023 Resolved
Benzene
Monitoring and reporting
Jan 1, 2023 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2023 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2023 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2023 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2023 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2023 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2023 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2023 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2023 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2023 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2023 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2023 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2023 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2023 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2023 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2023 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2023 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2023 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2021 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2020 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2020 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2020 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2017 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Uranium
Monitoring and reporting
Jan 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2017 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2017 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2017 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2017 Resolved
Benzene
Monitoring and reporting
Jan 1, 2017 Resolved
Toluene
Monitoring and reporting
Jan 1, 2017 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Styrene
Monitoring and reporting
Jan 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2016 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2016 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2016 Resolved

Full record since 1976

EPA's records for Mapleton Water District go back to 1976. Before October 19, 2016 they list 67 health-based violations (67 resolved) and 60 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 10
1990s 65 12
2000s 2 14
2010 to October 18, 2016 0 24
October 19, 2016 to 2019 0 27
2020s 3 81

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began January 2005, Resolved.

Show all 67 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jan 1, 2005 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 2000 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
May 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
May 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
May 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1995 Resolved
Lead and Copper Rule
Treatment technique failure
Jul 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1995 Resolved

17 older violations are not listed here. EPA ECHO has the complete list.

Enforcement actions

Oregon regulators took 2 formal enforcement actions against Mapleton Water District between 1994 and 1999. The most recent was a compliance order with a penalty in August 1999.

Date By Action Violations covered
Aug 23, 1999 Oregon Compliance order with a penalty 1 violation (1 health-based): Lead and Copper Rule
May 19, 1994 Oregon Compliance order with a penalty 1 violation (1 health-based): Surface Water Treatment Rule

What the violations mean

Surface Water Treatment Rule

3 incidents

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

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

Where the water comes from

Mapleton Water District draws water from 1 surface water intake.

Annual water quality report

Mapleton 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.