Public water system record

Alder Creek Barlow Water Dist

On record as serving Clackamas County, OR · Serves 300 people

Federal records show 3 health-based violations and 54 monitoring/reporting issues for Alder Creek Barlow Water Dist in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • OR4100630
  • SANDY
  • OR
  • 300 served

System profile

Source water Purchased surface water
ZIP 97055
EPA system ID OR4100630

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
54

Key facts

  • Alder Creek Barlow Water Dist buys its water from City of Sandy.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit), 2023.
  • Record on file since 1979, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 121 unknown out of 121 service lines.

Check whether Alder Creek Barlow Water Dist serves your address

Address suggestions by Mapbox

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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
220 Jul 1, 2023 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2021 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Oct 1, 2021 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
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2025 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2024 Resolved
Public Notice
OTHER
Nov 26, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 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
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2019 Resolved

Full record since 1979

EPA's records for Alder Creek Barlow Water Dist go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 16 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 8
1990s 0 2
2000s 1 2
2010 to October 18, 2016 0 4
October 19, 2016 to 2019 0 2
2020s 3 52

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 2002, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
Jan 2, 2002 Resolved

What the violations mean

Surface Water Treatment Rule

2 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.

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Alder Creek Barlow Water Dist buys its water from City of Sandy. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Alder Creek Barlow Water Dist 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 Alder Creek Barlow Water Dist 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.