Winery Wastewater Management

Mitch Reed

Environmental Engineer

MDARD

Discussion

Overview of the DEQ Requirements

Flow Chart

Guidance Document for a Winery Wastewater System

Why are we concerned about Wastewater?

Wastewater Characterization

Total Phosphorus

Nitrogen

Sodium

Chloride

pH

Biochemical Oxygen Demand 5 day (BOD5)

Limiting ParameterBOD5

Residual Sugars

Unfiltered Sediment

Wastewater QualityGeneral Recomendations

for Wineries

• Keep sanitary water separate from Process water

• Separate soils whenever possible including:

• Skin, stems, leaves

• Sedimentation from fermentation tanks

• Lees

• Aeration is recommended

• Design for 2-3 days retention time

Who do I need to call?

Discharge to Municipal system?

• Contact municipality

• No DEQ permit required

Discharge to Land or subsurface?

• Contact DEQ, Groundwater Permit Section

Process Wastewater needs a DEQ Permit(Not going to a Municipality)

DEQ Requirements

• Natural Resources and Environmental Protection Act

• Part 22, Groundwater Quality Rules

Find This Flowchart

www.michiganwines.com/docs/Industry/winery-permit-requirements-flowchart.pdf

Permit Applicability

• 5 year permits

• Annual fees apply

• Certified Operator may be required

• Any permit application requires a soils review

• Authorization to discharge once permit is ISSUED

• One size does not fit all!!!

Land Treatment Systems

Slow rate

Overland flow

Rapid Infiltration

Subsurface soil absorption

SlowRate

Overland Flow

Rapid Infiltration

SubsurfaceSoil

Absorption

Water Distribution

• Spray Irrigation

• Vented Pipe

• Subsurface Tile

• Truck Mounted Applicator

• Drip Irrigation

• Recharge Basins

Wastewater Data?

Recommended Resource

• Guidance for the Design of Land Treatment systems Utilized at Wineries

• Located on the Groundwater Permit Application Forms & Technical Information page on the DEQ website

Which Permit Do I Need?

Prior to submitting an initial application, it is strongly recommended that you request a pre-application meeting

Groundwater Permit Unit Chief

Water Resource Division, DEQ

517-284-5570