New Hampshire

Greenfield, NH

Bear Brook State Park, 157 Deerfield Rd, Allenstown NH 03461 / 603-485-9869. $20 or less.

Last updated: 10/25/2019

Rocky Road Campground, 1540 Route 106 N, 603-267-1982. Campground is two miles north of New Hampshire International Speedway. $20 or less.

Last updated: 1/24/2006

Wastewater Treatment Plant, 125 Hall St, Concord NH 03301 / 603-225-8691. Free.

Last updated: 9/7/2021

Gorham Water & Sewer Department, 8 Main St, Gorham NH 03581 / 603-466-3302. Hours: Mon-Thu, 7am to Noon and 12:30pm to 3:15pm; Fri, 7am to Noon and 12:30pm to 2:45pm. Rinse water and Potable water. $10 or less.

Last updated: 10/7/2016

Keene Waste Water Treatment Plant, 420 Airport Rd, Swanzey NH 03446 / 603-357-9836. Open Mon-Fri, 6am to 2:45pm. Free.

Last updated: 11/30/2015

Lancaster Kwik Stop on US-2 at the Connecticut River. $10 or less.

Last updated: 8/22/2007

Mobil Gas Station, 85 Main St, Lincoln NH 03251 / 603-745-3572. Located toward the rear on the right side of station. Non-potable water. $20 or less. I-93 Exit 32.

Last updated: 9/20/2023

Manchester Waste Water, 300 Winston St, Manchester NH 03103 / 603-624-6421. Free.

Last updated: 1/10/2005

Merrimack Waste Treatment, 36 Mast Rd, Merrimack NH 03054 / 603-883-8196. Open daily, 7:30am-2:30pm. Rinse water. Free.

Last updated: 7/5/2021