Laboratory Lists and Reporting Information

New! ORELAP Accredited Drinking Water Laboratories Interactive Map

This map shows ORELAP accredited drinking water labs with contact information and some common analytes for which they provide analytical services.

To confirm services offered for the listed analytes and for additional analytes, please contact labs directly.

The Oregon Environmental Laboratory Accreditation Program (ORELAP) accredits qualified laboratories for testing under the Safe Drinking Water Act (SDWA). See below for lists of accredited laboratories and more information about ORELAP.

Microbiological Analysis (Coliform) Laboratory Form: fillable MS Word -or- PDF
How to Complete a Microbiological Analysis (Coliform) Laboratory Form
MPA Field Reporting Form: Fillable MS Word -or- PDF
Suggested chemical reporting forms:
- Asbestos: MS Excel -or- PDF
- Disinfectant Byproducts (DBP): MS Excel -or- PDF
- Inorganic Compounds (IOC): MS Excel -or- PDF
- Lead and Copper 90th Percentile (LCR): MS Excel -or- PDF
- Nitrate: MS Excel -or- PDF
- Nitrate and Arsenic: MS Excel -or- PDF
- Radiological: MS Excel -or- PDF
- Synthetic Organic Compounds (SOC): MS Excel -or- PDF
- Total Organic Carbon (TOC) and Alkalinity: MS Excel -or- PDF
- Volatile Organic Compounds (VOC): MS Excel -or- PDF

Analytical results can be submitted in the following ways:

By mail:
Drinking Water Services
PO Box 14350
Portland, OR 97293-0350
By fax: 971-673-0694 *
By e-mail: dwp.dmce@odhsoha.oregon.gov

* Results in excess of an MCL or positive for coliform bacteria are faxed directly by the laboratory to a dedicated fax at 971-673-0458.

Customizable versions of the above documents can be obtained by contacting Drinking Water Services.

In 2005, the Oregon Legislature amended ORS 448.150 (pdf) to require certified/accredited drinking water laboratories to report directly to Drinking Water Services any analytical result that exceeds a Maximum Contaminant Level (MCL).

See the Direct Lab Reporting Procedure page for more details and frequently asked questions on direct laboratory reporting.

Laboratory Lists and Reporting Information

New! ORELAP Accredited Drinking Water Laboratories Interactive Map

Oregon Accredited Laboratory Lists

Laboratory Reporting Forms

Direct Laboratory Reporting