5.1. PCSR 08-24-2021 - Laserfiche WebLink

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Wastewater & F II Sewer Service 3z The City of Elk River owns and operates its sanitary sewer I' 169 collection and wastewater treatment system.This system includes approximately 81 miles of sewer lines and 21 lift stations that transport sewage to the treatment plant that is located near the intersection of US Highways 10 and 169. , 33 33 Evaluate the Potential Impactof the Urban Service Expansion 32 Areas on Wastewater Services Recognizing the important linkage between commu- IL +� pity growth and the capacity to handle wastewater,the 3s � �� 44 -- 1 City completed a Wastewater Treatment Facility Plan in � �� '° � ,■/j � ao February 2013.This plan evaluated capacity of existing - ,�=:., 169 facilities and the ability to reliably achieve regulatory 10 � J \ (13 standards for wastewater discharge.The 2013 Plan led to \ 12 the construction of a new plant in 2017,doubling the City's treatment capacity from approximately 2.2 million gallons per day(mgd)to 4.5 mgd.Currently,the plant is treating 101 \ 1.35 mgd.The City's investment in upgrading treatment Wastewater & capacity was based on estimates of 2035 daily flow and Sewer Service projected areas of development.With further projected 0 Existing Urban Service Area expansion of the Urban Service Area,ongoing evaluation 10 Proposed Urban Service of the projected daily flow will be necessary in order to Area Extensions identify whether future expansion of the wastewater treat- Future Development Areas ment plant is needed. within Wastewater Treatment Facility Plan U.S.A. The Wastewater 6 Sewer Service map highlights the areas . Future Development Areas of the City for future wastewater service both within and outside Wastewater outside the current Urban Service Area as identified in the Treatment Facility Plan U.S.A. Wastewater Treatment Facility Plan.In addition to these areas,the map also highlights areas identified for waste- While there appears to be sufficient capacity at the water service expansion that will be included in the future treatment plant,wastewater services could potentially Urban Service Area,these are lands surrounding the Ranch be constrained by capacity of the pipeline system that Road Corridor,the Twin Lakes Road corridor,and segments conveys wastewater to the plant.For instance,the city has of the Gravel Mining Area anticipated to be available for identified capacity concerns in the conveyance system in development in the next 15 years. northeastern Elk River.As that part of Elk River grows,the collection system will likely need to be expanded in order to meet the wastewater service demands.Similar studies should be conducted for new growth areas so that the collection system can be managed and maintained. Elk River Comprehensive Plan•Infrastructure 99 DRAFT FOR REVIEW ONLY