Lakes / New Hampshire / Rockingham County / Arlington Mill Reservoir
Arlington Mill Reservoir, New Hampshire
237.72 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Hampshire
42.82 degrees N, 71.21 degrees W - Rockingham County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Arlington Mill Reservoir Stacks Up
- Larger than 83% of the 516 lakes counted in New Hampshire.
- About 14 miles from Nashua, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Shadow Lake | Rockingham | 1.4 mi | 35.34 acres |
| Millville Lake | Rockingham | 1.9 mi | 50.16 acres |
| Captain Pond | Rockingham | 2.3 mi | 86.73 acres |
| Canobie Lake | Rockingham | 3.0 mi | 375.11 acres |
| Big Island Pond | Rockingham | 3.1 mi | 531.52 acres |
| Cobbetts Pond | Rockingham | 4.3 mi | 302.21 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Arlington Mill Reservoir
How Big Is Arlington Mill Reservoir?
Arlington Mill Reservoir covers 237.72 acres in Rockingham County, New Hampshire.
What Is the Largest Lake in Rockingham County?
Massabesic Lake is the largest lake in Rockingham County, at 2,560.51 acres.
Largest Lakes in New Hampshire
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Winnipesaukee | Belknap | 45,654.45 acres | - |
| 2 | Umbagog Lake | Coos | 7,642.5 acres | - |
| 3 | Squam Lake | Belknap | 6,791.2 acres | - |
| 4 | Newfound Lake | Grafton | 4,451.11 acres | - |
| 5 | Lake Winnisquam | Belknap | 4,213.89 acres | - |
All 516 New Hampshire lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 135911129). Verified October 30, 2026.