Tap Truth EPA drinking water records, in plain English

Public water system record

Portland Waterworks

Serves an area of Ashley County, AR that includes Portland · 625 people served

Federal records show 3 health-based violations and 7 monitoring/reporting issues for Portland Waterworks in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • AR0000018
  • PORTLAND
  • AR
  • 625 served

System profile

Source water Groundwater
ZIP 71663
EPA system ID AR0000018

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
0
Unresolved
0
Archived by EPA
3
Any acute record
No
Monitoring issues, last 10 years
7

Key facts

  • Portland Waterworks draws water from 2 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 94 µg/L, federal limit 80 µg/L (1.2 times the limit), 2020.
  • Most recent formal enforcement: administrative penalty by Arkansas, May 2021.
  • Record on file since 1993, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 255 unknown out of 255 service lines.

Check whether Portland Waterworks 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 89 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 94 µg/L, federal limit 80 µg/L (1.2 times the limit)
 220 Oct 1, 2020 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jul 1, 2020 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 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
 Jul 1, 2025 Active
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2025 Active
Revised Total Coliform Rule
Monitoring violation
 Dec 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2022 Resolved
Public Notice
OTHER
 May 1, 2022 Active
Public Notice
OTHER
 Jun 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Feb 1, 2021 Resolved

Full record since 1993

EPA's records for Portland Waterworks go back to 1993. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2000s 3 5
2010 to October 18, 2016 2 4
2020s 3 7

Most recent health-based violation before October 19, 2016: Total Coliform, began June 2011, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Jun 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
 Mar 1, 2011 Resolved
Lead and Copper Rule
Treatment technique failure
 Jul 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Jan 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Oct 1, 2007 Resolved

Enforcement actions

Arkansas regulators took 2 formal enforcement actions against Portland Waterworks in 2021. The most recent was an administrative penalty in May 2021.

Date By Action Violations covered
May 11, 2021 Arkansas Administrative penalty 5 violations (3 health-based): Total Trihalomethanes (TTHMs), Revised Total Coliform Rule, Public Notice
Feb 24, 2021 Arkansas Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Portland Waterworks draws water from 2 wells. 1 other public water system has an emergency connection to Portland Waterworks.

Annual water quality report

Portland Waterworks 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 Arkansas.

Certified drinking water labs by state EPA guidance for private wells