Mooney-Clark Public Landing Lake
Grafton County, New Hampshire4 acresView mapDirections
NHDES publishes the water-quality measurements for Mooney-Clark Public Landing Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Mercury
- Public access
Mooney-Clark Public Landing Lake in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 16.2 µg/L. Surface area: 3.7 acres.
Mooney-Clark Public Landing Lake is a 4-acre mesotrophic lake in Grafton County, New Hampshire. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 26 other monitored lakes in Grafton County, Mooney-Clark Public Landing Lake ranks #25 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-14. Methodology: how these readings are compared.
What Mooney-Clark Public Landing Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyModerate algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Mooney-Clark Public Landing Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species, pH / acidity. Check local advisories before you swim.
Whether Mooney-Clark Public Landing Lake is safe to swim in today is a call for the New Hampshire Department of Environmental Services and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Mooney-Clark Public Landing Lake
These are the measurements NHDES publishes for Mooney-Clark Public Landing Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 16.2 µg/L. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 16.2µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Mooney-Clark Public Landing Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
4 acres
Public access
Yes
Listed by NHDES
No bathymetric survey has been published for Mooney-Clark Public Landing Lake, so its depth is not documented here.
Recreation & Access
- Mooney Clark LandingPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Mooney-Clark Public Landing Lake
Compare lakeside cabins, hotels, and vacation rentals near Mooney-Clark Public Landing Lake in Grafton 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 Mooney-Clark Public Landing Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Mooney-Clark Public Landing Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Mooney-Clark Public Landing Lake
Reservoir Info (USACE NID)
Mooney-Clark Public Landing Lake is a man-made reservoir impounded by the New Hampton Village Prct Ww Lagoon (completed 1930), built primarily for other; earth-type dam, 9 ft tall and 1,200 ft long.
- Surface area
- 3.7 ac
- Normal storage
- 14.8 ac-ft
- Max storage
- 27 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Significant
- Owner
- NEW HAMPTON VILLAGE PRECINCT
Source: USACE National Inventory of Dams, NID ID NH03554 · Operator website · Matched by proximity (0.74 km)
EPA Impairment Status
Mooney-Clark Public Landing Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHIMP700010801-08 · Official waterbody report
Nearby Lakes in Grafton County
Frequently asked questions about Mooney-Clark Public Landing Lake
Where is Mooney-Clark Public Landing Lake?
- Mooney-Clark Public Landing Lake is a lake in Grafton County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Mooney-Clark Public Landing Lake?
- Mooney-Clark Public Landing Lake in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 16.2 µg/L. Surface area: 3.7 acres.
Is Mooney-Clark Public Landing Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mooney-Clark Public Landing Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species, pH / acidity. Check local advisories before you swim.
Are there boat ramps on Mooney-Clark Public Landing Lake?
- Mooney-Clark Public Landing Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Mooney Clark Landing. Public access is listed as yes.
Can I fish at Mooney-Clark Public Landing Lake?
- Mooney-Clark Public Landing Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by New Hampshire's fish and wildlife agency, so check its current regulations before you go.
Explore Mooney-Clark Public Landing Lake across LakeQuality
More lakes in New Hampshire
Other Lakes in New Hampshire
Mesotrophic Lakes in New Hampshire
Where this data comes from
49 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
1111330049 samples · 2020–2025
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
- Turbidity by Nephelometry
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory