Field Office Compliance - Assistance

Assistance ID - 63297
Des Moines Water Works - 310338211
9966 Maffitt Lake Dr Cumming, IA 50061
Dallas County

FO 5

Report
File Name File Type File Date Note
Comments
9/3/2013 From: Adams, Mike [mailto:Adams@dmww.com] Sent: Tuesday, September 03, 2013 1:16 PM To: Gastineau, Janet [DNR] Subject: RE: SWTP - 8/20/2013 Turb Spike Janet, the CFE turbidimeter trend is now set at 5.00 NTU’s. Short term, we are trying to rotate the high service pumps daily. The turbidity seems to spike higher the longer the pumps sit without running. Long term plan is to move the supply line for the turbidity meter to the clear well or suction side of the pumps. From: Gastineau, Janet [DNR] [mailto:Janet.Gastineau@dnr.iowa.gov] Sent: Wednesday, August 28, 2013 1:53 PM To: Adams, Mike Cc: Gibbons, Bill [DNR] Subject: RE: SWTP - 8/20/2013 Turb Spike Mike, is 1.98 as high as the CFE turbidimeter is set to go? We would prefer it be set higher—like 5 NTU. Can you let us know your plan to ensure these type of events/need for explanation do not readily occur in the future? From: Adams, Mike [mailto:Adams@dmww.com] Sent: Thursday, August 22, 2013 12:11 PM To: Gastineau, Janet [DNR]; Gibbons, Bill [DNR] Cc: McCurnin, Mike; Woodruff, Carter Subject: SWTP - 8/20/2013 Turb Spike Bill: A couple copies of the turbidity spike trend. The turbidity spikes up about 9 minutes after a high service pump change. JANET GASTINEAU
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