Field Office Compliance - Assistance

Assistance ID - 60605
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
5/22/2013 From: Lisa Walters [mailto:[email protected]] Sent: Tuesday, May 21, 2013 2:22 PM To: Gastineau, Janet [DNR] Cc: Fields, Chad [DNR] Subject: Re: Des Moines and Raccoon rivers and nitrates Thanks Janet & Chad! This is helping me with forming a response to my program director! Lisa On May 21, 2013, at 2:12 PM, "Gastineau, Janet [DNR]" [email protected] wrote: The operator with DMWW contacted me a week or two ago asking for mandatory language for a nitrate MCL just in case they ended up exceeding and needing to issue public notification. It was provided to him and nothing more was necessary. If DMWW were to exceed the nitrate level in the finished water, the DNR water supply operation section would be contacted by the laboratory. WSO would work with DMWW on the public notification procedure. Prior to the request for mandatory language, DMWW let us know they were beginning use of the aquiver storage reservoirs in the western suburbs to manage the nitrate levels throughout the system. I did receive an email from the city of boone last week regarding an inquiry DMWW was making with them and the nitrate levels they are experiencing. Boone uses alluvial wells along the Des Moines River and was seeing levels between 3 and 4 mg/L. DMWW posts some WQ on their website…. http://www.dmww.com/water-quality/water-quality-data/ From: Lisa Walters [mailto:[email protected]] Sent: Tuesday, May 21, 2013 1:49 PM To: Fields, Chad [DNR]; Gastineau, Janet [DNR] Subject: Re: Des Moines and Raccoon rivers and nitrates I was wondering if you has heard anything about nitrate spiking in general in the systems that are in those watersheds. I didn't think it was likely to show except for those alluvial systems without adequate clay. JANET GASTINEAU
State of Iowa DNR Home Site Policy
Leading Iowans in caring for our natural resources
Version: 2.3.1.23706
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