Portland Water District Photo

Portland's East End Wastewater Treatment Facility. Tours available!

MEL is certified to perform testing to meet your EPA, State and local regulations for the treatment and discharge of municipal wastewater. In addition, we test treatment plant sludges and waste materials that are destined for landfills and agricultural uses (see "Solid Waste Characterization").

Wastewater Resources

Maine

State of Maine Water Rules: http://www.maine.gov/dep/water/rules/index.html

Maine DEP Water Permits Home Page: http://www.maine.gov/dep/water/permits/index.html

Maine DEP Wastewater Treatment Page: http://www.maine.gov/dep/water/wwtreatment/

National

NPDES Homepage: https://www.epa.gov/npdes

NPDES - New England Region 1: https://www.epa.gov/npdes-permits/npdes-water-permit-program-new-england

 

EPA SAMPLING GUIDELINES:

EPA 2017 Wastewater Sampling Technique (2017, 24 pg .pdf)

EPA Video:  Sampling Wastewater at a Wastewater Treatment Facility (23:16)

OTHER

Understanding Laboratory Wastewater Tests, University of Georgia Extension (.pdf)

How it's Done: Berwick, ME

A Beginner's Guide to Municipal Water Treatment:

Common Wastewater Tests

Organics
BOD, CBOD
COD
TOC
DOC
Oil & Grease

Solids
TS
TVS
TSS
TFS
TDS

Nutrients
TKN
NH3
Nitrate
Nitrite
Total Phosphorus