Stormwater Information

MS4 Information - DPW data points map, Community education and Dry weather outfall screening

Be SepticSmart - A simple guide to the proper care and maintenance of your septic system. For more information visit

Rain Garden Design - Includes a list of recommended materials and equipment, step-by-step instructions, and helpful hints for installing a rain garden, from Soak up the Rain NH.

Native plants for New England Rain Gardens - New England native perennials, shrubs, grasses, ferns, rushes, and sedges appropriate for rain gardens.

Rake It or Leave It - What to do with your leaves and grass clippings to protect New Hampshire Waters

Green Grass & Clear Water - Water-quality friendly lawn care and fertilizer recommendations for northern New England

What is Stormwater Pollution?

Information on Protecting the Pennichuck Watershed

After the Storm video by EPA and The Weather Channel on protecting our water

What can you do? Learn ways to protect our drinking water!

  • Dispose of pet waste properly                                                pick up after dog
  • Prevent stormwater pollution
  • Protect the watershed
  • Water conservation
  • Septic system maintenance
  • Landscaping
  • Pollution Reduction (Reuse, Reduce, Recycle)


Hollis, N.H. Receives Over $150,000 in EPA Funding for Clean School Buses

EPA Kids Page - games, activities and links to educational materials to teach children about water, pollution and the environment.

Environmental Protection Agency