The GPSD must produce monthly discharge monitoring reports f

The GPSD must produce monthly discharge monitoring reports for their NPDES permit that are publicly available. Using the GPSD website, answer the following for January 2016:

i. What does NPDES stand for?

ii. What was the monthly average influent wastewater flow?

iii. What was the average concentration of ammonia (as total N, in mg/L) discharged to the Illinois River?

What is the allowable maximum monthly average concentration (permit requirement)?

What was the corresponding load (mass) of ammonia (lb/d), and what is its allowable maximum monthly average load?

Solution

1) National Pollutant Discharge Estimation System

   The NPDES provide the program adresses water pollution by regulating point sources that discharge pollutants to wayter of the United States.

2) According to the data of the monthly report of gpsd 2016 the average influent waste watre for the month of january of 2016 is 32.82

3) Average concentration of ammonia (as total N,in mg/l) discharged to the llinois river is 19 mg/L

Allowable maximum monthly average concentration (permit requirement) is 19 mg/L

corresponding load(mass) of ammonia (lb/d) is 26 lb/d

allowable maximum monthly average load is also 26 lb/d