Outfall

ENV-0210 (a)

Records fulfill requirements of the City National Pollutant Discharge Elimination System (NPDES) permit and to monitor flow from the outfalls to indicate non-storm water pollutants. Records document the monitoring of outfalls during non-storm water periods to indicate presence of pollutants. Record includes outfall number, date, time, last rainfall, site description, flow estimates, visual observations, field analysis (pH, temperature, residuals, etc.), additional tests, who filled out form and other related data. (a) Reports, retain permanently; (b) All other records, retain 5 years