From: Gerald Fisher

Sent: Mon Oct 10 12:45:47 2016

To: Mark Strandberg (Ring-Bender)

Cc: Dan Huff

Subject: RE: molalla wwtp discharge

Importance: Normal

Hi Mark,

Please see below email from Jason to David Cole of DEQ. I just called David and let him know that the flows and temperatures are good for discharge and pleaded with them to let us discharge. He said he is working with folks internally at DEQ to allow for the discharge. The conversation was positive.

Our permit states stream flows must be at least 350 cfs for dilution and maximum temperature is 18 C (Table A2 for November-April discharges). With the flows 3 times above the minimum and our temperatures well below the maximum there is no reason why DEQ should not permit us to discharge early as long as we monitor temperature and river flow. To not allow for it when conditions are good for discharge is deliberately setting us up for violation when none should happen.

Will keep you posted when we hear back. Also, Jason let us know last week that we may need to ask for permission to discharge based on flow trends into the plant.

Regards,

Gerald Fisher, P.E. | Public Works Director

City of Molalla

117 N Molalla Ave. | PO Box 248 |Molalla, OR 97038

Office: 503.829.6855 | Direct: 503.759.0218

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From: Jason Clifford [mailto:jclifford@cityofmolalla.com]

Sent: Monday, October 10, 2016 11:47 AM

To: 'COLE David' <david.cole@state.or.us>

Cc: Dan Huff <dhuff@cityofmolalla.com>; Gerald Fisher <gfisher@cityofmolalla.com>

Subject: molalla wwtp discharge

Dave,

As of this morning, 10/10, our lagoon levels are at 11’ and 12.5’. Our incoming influent flow from yesterday was 1.8 mgd. Our weekend rainfall at the WWTP was 2.75”. Coleman Ranch cannot be irrigated at this point in time. With 21 days left in this month, the city’s lagoons will not be able to sustain a plant shutdown and hold incoming flows. I am asking the DEQ for approval to commence an early discharge to the Molalla River in order to prevent structural damage to our levees and for our lagoon levels to reach critical levels that will cause issues in the coming winter months. As of 0500 this morning, the Molalla River reading was 1026 cfs. Our lagoon temperatures are below the required 18 degree C. Please respond to this request at your earliest convenience. Thank you for your time.

Respectfully,

Jason Clifford

503-793-5283