The Site Assessment Study is a form prepared by a NHDES-permitted septic system designer that you, as the seller, hire to determine if your site meets the current standards for septic disposal systems established by NHDES.

What is a site assessment in NH?

The Site Assessment Study is a form prepared by a NHDES-permitted septic system designer that you, as the seller, hire to determine if your site meets the current standards for septic disposal systems established by NHDES.

What is a waterfront site assessment NH?

The Site Assessment provides information needed to inform the buyer about septic system issues related to the property being purchased. A waterfront property site assessment will: Determine if the existing septic system is state approved. Determine the age and what type of system exists on the lot.

Can I install my own septic system in NH?

Yes. In New Hampshire you can install your own subsurface wastewater disposal system, but only for your own home; not for a property that you plan to flip or remodel to sell. You must follow all the same steps as a licensed contractor follows.

Are septic holding tanks legal in New Hampshire?

All septic system tanks installed or replaced shall have an outlet filter. Holding tanks. Holding tanks shall be prohibited in all cases of new building construction and expanded use, including the conversion of a property from seasonal to year-round use.

Are plastic septic tanks legal in NH?

New Hampshire Septic Tanks Save up to 50% on plastic septic tanks. These septic tanks are state approved for use in the state of New Hampshire.

Are outhouses legal in NH?

According to RSA 147:8, privies are permitted as long as they have the approval of the local health officials as to the location and construction of the facilities. Privies (outhouses not conveying sewage by water), if properly located, designed and constructed are a safe way to dispose of toilet wastes.

Are dry wells legal in NH?

Dry wells shall be prohibited for use in new or replacement systems for the disposal of domestic or commercial sanitary waste.

Are cesspools legal in NH?

If you are a homeowner and you want to design, install, replace, or repair a septic system on your own primary residence, you may do so without a permit. Septic system designers are required to pass both written and field exams before they can receive a license in New Hampshire.

How big is a drywell?

A typical dry well is 3’x3’x3′. This will store about 11ft3 of water, which is equal to the runoff from a 132ft2 drainage area in a storm that produces one inch of rain.

Are composting toilets legal in NH?

While New Hampshire regulations do not explicitly mention composting toilets, the Department of Environmental Services has indicated that composting toilets are approved.

How far is drywell from house?

Assuming your soil passed a perc test, you’ll want to position a dry well or two on storm water’s natural drainage path through your yard—but keeping a safe distance from your home’s foundation, no shorter than 12 feet.

How deep should dry well be?

Dry wells are typically three feet deep and should be designed to accommodate the stormwater volume (determined in Step 3). Adjust the dimensions of your dry well as needed to fit your site.

Is NHDES forms available with online submission?

NHDES is working towards having all of its forms available with online submission. With that in mind, NHDES has moved all of its forms into the State of NH Online Forms system.

How are permits issued by NHDES?

Permits are issued by NHDES after a technical review of the application, which includes the project plans and supporting documents. Form used to request amendments and changes in ownership Form used to request Alteration of Terrain permits

How do I submit an alteration of terrain application to NHDES?

When submitting an alteration of terrain application to the NHDES, include one BMP worksheet for each system proposed and one groundwater recharge volume calculation worksheet per application. Alteration of Terrain permit holders are required to submit written notification to NHDES upon the completion of a project.

What is the permit process for the Shoreland program?

The Shoreland Program permit process includes Shoreland Permits-by-Notification for smaller projects and Shoreland Permit Applications for larger projects. This form may be used to request a waiver of shoreland protection rule (s) as part of a shoreland permit application.