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Heritage Complex
2662 Riva Road
Annapolis, MD. 21401
(410) 222-7500



Department of Public Works - Bureau of Engineering 

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Maryland City Water Reclamation Facility ENR

Capital projects at each Water Reclamation Facility represents more than $200 million invested by the County to reduce the amount of nitrogen and phosphorous released after the treatment process to the limit-of-technology standard known as ENR.
Project ManagerKen Wiswall
Phone number410-224-1270
ContractorsMEB General, Inc.
Project Cost$10.2 million
Notice to ProceedApril 2012
Completion DateAugust 2015
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The County is upgrading the Maryland City Water Reclamation Facility, and its six other treatment plants, to comply with the State’s Bay Restoration Program.


The current treatment process was designed based on earlier nutrient removal goals and must be upgraded to meet Enhanced Nutrient Removal (ENR) standards.  Upgrading to ENR standards will reduce the amount of nitrogen released after treatment to below 4 ml/L. 

DPW will use a combination of State Grant reimbursements and County Bonds to fund this project


  • Improved health of the Chesapeake Bay and local waterways.
  • Significantly reduce nitrogren released after treatment process from 8 mg/L to 3 mg/L.
  • Significantly reduce phosphorous released after treatment process from 2 mg/L to 0.3 mg/L.
  • Meet the pollutant load reduction requirements of the State's Bay Restoration Program.

Project Status

Dec. 2014Construction ongoing. 
 August 2015 anticipated completion date.


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