Knights Meadow Marsh Reservoir
Knights Meadow Marsh Reservoir in Merrimack County, New Hampshire is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 45 acres.
- Area
- 45 acres
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Why Knights Meadow Marsh 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 Knights Meadow Marsh 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.
Knights Meadow Marsh Reservoir is a 45-acre lake in Merrimack County, New Hampshire.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Knights Meadow Marsh 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 Knights Meadow Marsh Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Knights Meadow Marsh Reservoir in Merrimack 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 Knights Meadow Marsh Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 45 acres |
No bathymetric survey has been published for Knights Meadow Marsh Reservoir, so its depth is not documented here.
Fishing Knights Meadow Marsh Reservoir
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Frequently asked questions about Knights Meadow Marsh Reservoir
Where is Knights Meadow Marsh Reservoir?
- Knights Meadow Marsh Reservoir is a lake in Merrimack 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 Knights Meadow Marsh Reservoir?
- Knights Meadow Marsh Reservoir in Merrimack County, New Hampshire is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 45 acres.
Is Knights Meadow Marsh Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Knights Meadow Marsh 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 Knights Meadow Marsh Reservoir across LakeQuality
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Where this data comes from
Measurements for Knights Meadow Marsh Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.