Water Quality

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Updated: February 3, 2021

Remote Setting Systems: Producing Spat on Shell Oyster Seed for Aquaculture

Remote setting is a technique that uses hatchery larvae to produce spat on shell for planting oyster grounds. The method has been successfully employed as a key part in building the Maryland oyster aquaculture industry. This manual covers system components, operation and management and is used for training new growers and for reference by experienced ones to enable them to produce quality seed for planting leases.
Updated: February 3, 2021

Basic Principles of Watershed Restoration and Stormwater Management in the Chesapeake Bay Region

The objective of this document is to provide an overview of the most relevant urban stormwater management and watershed restoration issues, common mitigating practices, and regulations relevant to the Chesapeake Bay Watershed. Land use and landscaping practices can drastically change how water flows on the landscape and ultimately impacts the health of our streams, rivers, and bays.
Updated: February 3, 2021

Understanding Anne Arundel County’s Watershed Protection and Restoration Fee

Stormwater runoff originates during precipitation events when water flows over the ground. Impervious surfaces such as streets and rooftops increase runoff by preventing water from soaking into the ground. Water running over hard surfaces can pick up sediment, chemicals, debris, and toxins which are carried to local waterways. These pollutants prevent waterways from being fishable and swimmable.
Updated: January 29, 2021

Stormwater Rebate and Reimbursement Programs (FS-976)

Stormwater Rebate and Reimbursement Programs (Baltimore City and County, Howard, Montgomery and Prince George’s Counties, City of Rockville, City of Gaithersburg)
Updated: January 26, 2021

Permeable Hardscapes

Permeable hardscapes help manage stormwater (surface water from heavy rains or snow) and are an alternative to hard surfaces. Materials used as permeable hardscapes allow stormwater to seep into the ground (permeate) rather than pool in low spots or run off into storm drains or local streams. This Extension Brief is meant to provide the property owner with information about selecting permeable hardscapes. Installation should be performed by an experienced, certified contractor.
Updated: January 20, 2021

Marcellus Shale Development and Drinking Water (FS-949)

Water is a valuable resource. Many homeowners are concerned about natural gas development associated with the Marcellus Shale formation and their private water supply. This informational sheet is designed to provide citizens with private water supplies an understanding of potential water quality impacts, pertinent water testing parameters, general water quantity and quality monitoring procedures, and laboratory resources related to natural gas development.
Updated: January 8, 2021

Estimating Irrigation Water Requirements to Optimize Crop Growth

The crop, yield goal, soil, temperature, solar radiation, and other cultural factors determine the amount of water needed during the growing season. Irrigation equipment varies in its efficiency. Crops vary in peak water use and critical timing. There are strategies to maximize profits with minimal water supplies.