A Natural Resource Management Guide for the County of Morris A ...

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The Well Head Protection Program is intended to control pollution sources, and regulate:
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Public Community Water Supply Wells
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Public Noncommunity Water Supply Wells
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Clusters of Domestic Water Supply Wells
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Protection of wells is to be achieved through:
Delineation of Well Head Protection Areas (WHPA) 14
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Implementation of regulations to minimize pollution from point and non point discharges
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Avoidance of siting new wells in high-risk locations.
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WHPA's rely on two basic criteria:
Average Time-of-Travel (TOT) for ground water to reach a well
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Hydrologic boundaries that affect ground water flow (e.g., faults, ridges and surface water bodies)
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Each WHPA will have several tiers so that the level of control matches the pollution risk:
È Tier 1 targets bacteria and viruses attenuation; TOT of 200 to 360 days
È Tier 2 targets hazardous materials that do not degrade readily in ground water (such as
chlorinated volatile organic chemicals); TOT between 2 and 5 years
È Tier 3 is intended to serve monitoring and remedial efforts; TOT between 10 and 15 years.
Strategies
Planning
Analyses: !
hydrogeological evaluation of ground water flow; ground water availability, recharge
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potential, rate and volume; and aquifer recharge characteristics
water budget - anticipated use and discharge of water
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critical density - estimated population at full build-out
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carrying capacity - calculated ability of an area to accommodate growth and development
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respective of existing and proposed infrastructure and the natural environment
historic land use - contaminated soils from past uses (e.g., industrial, agricultural)
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existing land use - common sources of contamination (e.g., industrial waste disposal, underground
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storage tanks, farms, landfills, septic tanks)
inventory of sites where potential contaminants are manufactured, stored, and transported
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monitoring - long term sampling of surface and ground water (public and private wells)
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quality and quantity
Location of sensitive recharge areas or wellfields
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Acquisition of select lands (e.g., recharge areas or wellfields)
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Stormwater management plan addressing quality and quantity of infiltrating
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stormwater
Individual Sanitary Sewer Disposal (Septic System) Management Plan
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Conservation Easements
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A Natural Resource Management Guide
for the County of Morris 70