Arlington Mill Reservoir
Arlington Mill Reservoir in Rockingham County, New Hampshire is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 238 acres.
- Area
- 238 acres
Next lake in Rockingham County
Swipe left or right on this bar to open the next or previous lake.
Why Arlington Mill Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Arlington Mill Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Arlington Mill Reservoir is a 238-acre lake in Rockingham County, New Hampshire.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Arlington Mill Reservoir water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Arlington Mill Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Arlington Mill Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Arlington Mill Reservoir in Rockingham County, New Hampshire — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Arlington Mill Reservoir
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 238 acres |
No bathymetric survey has been published for Arlington Mill Reservoir, so its depth is not documented here.
Fishing Arlington Mill Reservoir
Nearby Lakes in Rockingham County
Frequently asked questions about Arlington Mill Reservoir
Where is Arlington Mill Reservoir?
- Arlington Mill Reservoir is a lake in Rockingham County, New Hampshire. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Arlington Mill Reservoir?
- Arlington Mill Reservoir in Rockingham County, New Hampshire is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 238 acres.
Is Arlington Mill Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Arlington Mill Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Arlington Mill Reservoir across LakeQuality
More New Hampshire Lake Rankings
Top 25 by overall water quality score
Top 25 by Secchi water clarity
Grade A/B + low algae filter
Panfish-rich, public access
Full state directory
Other Lakes in New Hampshire
Where this data comes from
Measurements for Arlington Mill Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.