Maine Water Quality Records

System identity

Use the exact PWSID as a cross-check

EPA’s exact identity record for ME0090070 names AUBURN WATER DISTRICT. Compare the name and full ID with the supplier’s annual report. Lewiston is ME0090830 and Bangor is ME0090110; a similar name or shared lake is not enough to select the right record.

1. Find your supplier and PWSID on a bill or annual report.
2. Compare both fields with the official record; retain the ME prefix and leading zeros.
3. Ask the supplier or Maine Drinking Water Program about an unclear identity before applying a report or notice to your service.

Check Auburn’s official EPA identity record →

Find Maine Drinking Water Program contacts →

Source-protection geography

Read the map’s requirements and scope first

Maine’s resource-mapping guide provides data for use in Google Earth and says Google Earth must be installed to view it. The guide is useful for understanding what the source and protection layers contain before opening the data.

The map is a visual representation and may not include all information held by the state. It supplies source context, not water-quality readings or proof of service to a property.

Read Maine’s water-resource mapping guide →

Annual reports

Choose the provider’s report and reporting year

Auburn and Bangor maintain official report pages; Lewiston lists reports with its water resources. Use the document’s PWSID and covered period as well as its title. Bangor’s 2025 report demonstrates why a later notice inside a report needs a separate date.

If the correct report is unavailable or difficult to use, ask the provider for that system’s report, an accessible copy, or language assistance.

Find Auburn’s official reports →

Find Bangor’s official reports →

Find Lewiston’s official reports →

Orders and notices

Check the current state and provider instructions

Maine’s safety-alert page and drinking-water-order guidance provide the official starting points. Match the system and affected area, then read the actual order and updates. A historical notice or a missing entry does not establish today’s conditions.

Bangor’s separately published notice records distribution on February 17, 2026; the version included in its report records distribution on March 31, 2026. Both concern the January 10–12 analyzer-data episode. Those document dates do not establish current resolution.

Check Maine drinking-water safety alerts →

Read Maine’s drinking-water-order guidance →

Read Bangor’s dated monitoring notice →

Service-line materials

Ask how unknown material was investigated

Maine’s service-line inventory guidance asks systems to use supporting records and investigation when classifying materials. It cautions that a historical plumbing-code lead ban alone is not sufficient documentation for every line.

Ask your provider what its inventory records for both portions of your service line and how unknown material is handled. An inventory classification is different from a household water test; this guide does not assign pipe material from a building’s age.

Read Maine’s service-line inventory guidance →

Private wells

Follow Maine’s testing and laboratory guidance

Maine CDC says private-well owners are responsible for testing their water and offers free technical assistance. Its guidance recommends annual tests for coliform bacteria, E. coli, nitrates and nitrites, plus a broader list of tests every three to five years.

Use the state’s full guidance to choose the tests for your circumstances and find a certified laboratory. A public-system report does not test your individual well.

Read Maine’s private-well testing guidance →

PFAS information

Choose public-system or private-well information

Maine’s public-system PFAS page provides monitoring resources and links separate private-well assistance and laboratory information. Choose the pathway that matches your supply, and check the system or well, sample date, compounds, and units when reading a result.

The page also contains dated regulatory updates. This guide does not treat an old update as a current rule or infer a household result from a source map.

Open Maine’s public-system PFAS resources →

Find Maine’s consumer water resources →

Can Auburn and Lewiston use the same report?

Both reports name Lake Auburn, but Auburn Water District is ME0090070 and Lewiston is ME0090830. Use the report for your confirmed supplier; a shared source does not make the systems’ results interchangeable.

Does the source-protection map show my water quality?

No. Maine’s mapping guide explicitly excludes water-quality and operational data. Its source and protection layers are different from utility service boundaries, sample results, or a household-well test.

Why is a 2026 notice included in Bangor’s 2025 report?

The report includes a separately dated notice about analyzer records from January 10–12, 2026. Read the notice’s event and distribution dates separately from the annual report’s 2025 monitoring period.

Does a missing alert mean no order applies to my property?

No. Confirm your system and affected area, read the current official instructions, and ask the provider when the status is unclear. A historical report, old notice, or missing entry cannot establish today’s conditions.