DMR Helpful Tips
July 2020 1 | Page
TABLE OF CONTENTS
TABLE OF Contents ....................................................................................................................................... 1
INTRODUCTION .............................................................................................................................................. 3
DAILY DATA ................................................................................................................................................... 3
REPORTING FLOW DATA ............................................................................................................................. 3
Daily Flow Data ........................................................................................................................................................ 3
Monthly Average Flow Data ..................................................................................................................................... 4
Three-Month Average Flow Data .............................................................................................................................. 5
Annual Average Flow Data ....................................................................................................................................... 5
REPORTING WATER QUALITY DATA .......................................................................................................... 6
Daily Effluent Quality Data ....................................................................................................................................... 6
Maximum (or Minimum) Values .............................................................................................................................. 6
Weekly Average Effluent Quality Data ..................................................................................................................... 7
Partial Weeks...................................................................................................................................................... 7
Intermittent Discharges ...................................................................................................................................... 8
Monthly Average Effluent Quality Data ................................................................................................................... 8
Annual Average Effluent Quality Data ..................................................................................................................... 9
REPORTING LOADING DATA ..................................................................................................................... 10
Pounds Per Day Loading Data................................................................................................................................. 10
Daily Maximum Loading Data ................................................................................................................................ 10
Daily Average Loading Data ................................................................................................................................... 10
Monthly Average Loading Data .............................................................................................................................. 11
Pounds Per Year Loading Data ............................................................................................................................... 11
REPORTING FECAL COLIFORM DATA ..................................................................................................... 11
Daily Fecal Coliform Data ...................................................................................................................................... 11
Percent Less Than Detection ................................................................................................................................... 12
No More Than 10 Percent Value ............................................................................................................................. 12
Monthly Geometric Mean ....................................................................................................................................... 12
Monthly Median Value ............................................................................................................................................ 13
Annual Average Fecal Coliform Value ................................................................................................................... 13
Reporting “Too Numerous to Count” ...................................................................................................................... 13
Fecal coliform by membrane filtration (CFU/100 mL) .................................................................................... 14
Fecal coliform by multiple well (MPN/100 mL) .............................................................................................. 14
REPORTING BIOSOLIDS DATA .................................................................................................................. 15
Calculating Dry Tons for the Biosolids DMR ......................................................................................................... 15
Biosolids Quantity Parameters: Landfilled vs. Transferred ..................................................................................... 16
REPORTING TOXICITY DATA ..................................................................................................................... 16
Chronic Toxicity Results ......................................................................................................................................... 16
Acute Toxicity Results ............................................................................................................................................ 16
REPORTING DATA FOR NEW PERMIT REQUIREMENTS ........................................................................ 17
REPORTING DATA FROM CONTINUOUS MONITORING EQUIPMENT ................................................... 17
Strip Chart Recorders .............................................................................................................................................. 17
Maximum and Minimum Values...................................................................................................................... 17
Daily Averages ................................................................................................................................................. 17
Computerized Data Logging Systems ..................................................................................................................... 17
Data Polling ...................................................................................................................................................... 17