Ndm Associates

Septic contractor based in Wentworth, Grafton County, NH

"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

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How to verify this license

We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up this license directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: NHDES Permitted Septage Haulers, last checked 2026-08-16. Verify at the official source.

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