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1/18/2018
When: January 18, 2018
5:30 PM
Where: Brewer's Alley
124 N Market St
Frederick, Maryland  21701
United States

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D.C.-Maryland-Virginia Chapter Meeting

 

Please reserve a seat by Monday, January 15, 2018
Visit our website & E-Pay System
www.AEG.GWH.org

 
Date/Time: Thursday, January 18, 2018, 5:30 pm to 7:45 pm

Location: Brewer's Alley, 124 N Market St, Frederick, MD 21701
Cost (dinner and meeting): Members $40, Non-members $45; Discounts Available: Students save $20 and Retirees save $10
Agenda: Social & Check-in 5:30 - 6:15 pm; Dinner 6:15 - 7:00 pm; Presentation followed by Q & A 7:00 - 7:45 pm
Topic:
Challenges in Implementing Effective Source Water Protection –How One Groundwater-Reliant Municipality Balances Economic & Public Health Interests – A Case History from the Delmarva Peninsula. 
Presenter:
Mark Eisner, President, Advanced Land and Water, Inc.

Salisbury, Maryland is a fast-growing municipality situated on and withdrawing groundwater from the extraordinarily productive and vulnerable Salisbury Paleochannel aquifer. Geologists believe that the Paleochannel may be part of the ancestral Susquehanna or Chesapeake Bay delta, deposited during the ice age when sea level was lower but river discharges were higher, from glacial meltwater. The very coarse sediments of the Paleochannel suggest a high-velocity, high-discharge depositional  environment unlike anything found today on the Eastern Seaboard.

The value of the Paleochannel as an important groundwater resource has been known for decades. The susceptibility to groundwater contamination borne of incompatible land uses also has been a focus of evaluation by MDE and the Maryland Geological Survey and resulted in land use protection ordinance, by both the City of Salisbury and by Wicomico County.

Given all of this, and in cognizance of continuing land development pressures within the Paleochannel and elsewhere in the source water protection area, ALWI updated the 2003 Source Water Assessment following technical guidance and advice received from MDE. We then worked with the City to develop a customized set of  recommendations, centered on proscriptive land use restrictions, but also entailing other measures to achieve ongoing source water protection.

Salisbury and Wicomico County already have separate, proscriptive ordinances (one City and one County). However, we found that both ordinances warranted revision. They did not address equally susceptible supply wells outside the Paleochannel and did not reflect differential risks posed by various contaminant species with differential distances and travel times from the release points to the wells. In light of this, we came to develop comprehensive recommendations for a singular multi-jurisdictional ordinance reflective of gradations in both distance (source-to-well) and specific nature of the contamination hazard. For consistency, we also recommend enforcement irr
espective of the identity of those inconvenienced or affected.

Not long after the MDE-funded source water protection plan update concluded, a new wave of development pressure again brought the local press to focus on the Paleochannel and its protection from contamination arising from incompatible land uses. We continue to recommend ordinance consolidation and even more importantly, that their proscriptive measures be applied and enforced. The presentation will present and discuss our ordinance recommendations in detail, in the context of recent proposed development activity.

 

 

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