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Why we regulate
Learn what types of wastewater discharges are regulated and how
Plan review
The DNR reviews plans for municipal and industrial wastewater treatment plant construction
Discharge permits
Wastewater discharges to surface or groundwaters
Contact information
For information on eCMAR, contact:
Dave Argall
WW permits database manager

Precipitation data for CMAR reporting

eCMAR Section m: Sanitary Sewer Collection Systems, requires that you enter precipitation data in question #5. You are asked to enter the “Total Actual Amount of Precipitation Last Year”, and the “Annual Average Precipitation (for your location).” Listed below are links to this data.

Total actual amount of precipitation

Total precipitation is the entire amount of precipitation (including snow equated to a water equivalent) that has fallen for the calendar year (January 1 through December 31, 2017). Precipitation data you have collected or from other sources such as the Wisconsin State Climatology Office, National Weather Service, local airport or other approved source of precipitation information within close proximity of your facility’s location for the 2017 calendar year is acceptable. Enter the Total Actual Amount of Precipitation in question #5 of the collection system section of your eCMAR.

Normal (historical) precipitation

Use data from your closest weather station to find the annual normal precipitation. Enter the Normal Historical Precipitation data in question #5 of the collection system section of your eCMAR.

Last revised: Wednesday May 02 2018