The development of a new water supply source requires State and local permits.  The links below provide information on some MDE permits which are often required prior to the development of a new water supply.  Other permits may be also be required.

• Well Construction Permit
• Water Appropriation or Use Permit and Notices of Recent Applications Received
• Water and Sewerage Construction Permit
• General Permit for Stormwater Associa​ted with Construction Activity​
• Wetlands and Waterways Contruction Permit
• Dam Safety Permit
• Discharge Permits 

Some permit applications can be filed electronically. A list of these applications is avaliable here.

For more information, contact the Water Supply Program at water.supply@maryland.gov or 410-537-3590​