Wicwas Lake-Bacteria Sample
Wicwas Lake-Bacteria Sample in Belknap County, New Hampshire has a water quality grade of D (Nutrient-rich). Phosphorus: 28.9 µg/L. Surface area: 330 acres.
- Area
- 330 acres
- Type
- Eutrophic
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Wicwas Lake-Bacteria Sample →
Wicwas Lake-Bacteria Sample is a 330-acre productive, nutrient-rich eutrophic lake in Belknap County, New Hampshire. Water quality is graded D based on 1 sampling years through 2025. Compared to the 26 other monitored lakes in Belknap County, Wicwas Lake-Bacteria Sample ranks #25 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyElevated nutrients
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus level: 28.9 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 28.9 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Wicwas Lake-Bacteria Sample
Compare lakeside cabins, hotels, and vacation rentals near Wicwas Lake-Bacteria Sample in Belknap 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Wicwas Lake-Bacteria Sample are listed below.
Top-rated places to stay near Wicwas Lake-Bacteria Sample
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 330 acres |
No bathymetric survey has been published for Wicwas Lake-Bacteria Sample, so its depth is not documented here.
Fishing Wicwas Lake-Bacteria Sample
Reservoir Info (USACE NID)
Wicwas Lake-Bacteria Sample is a man-made reservoir impounded by the Lake Wicwas Dam (completed 1937), built primarily for recreation on the Dolloff Brook; earth-type dam, 7 ft tall and 190 ft long.
- Surface area
- 330 ac
- Normal storage
- 457 ac-ft
- Max storage
- 1,567 ac-ft
- Drainage area
- 8.46 sq mi
- Hazard class
- Low
- Owner
- TOWN OF MEREDITH
Source: USACE National Inventory of Dams, NID ID NH00124 · Operator website · Matched by proximity (0.04 km)
EPA Impairment Status
Wicwas Lake-Bacteria Sample is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK700020201-04 · Official waterbody report · Matched by proximity (1.1 km)
County Ranking
Ranked #25 of 27 lakes in Belknap County
Nearby Lakes in Belknap County
Frequently asked questions about Wicwas Lake-Bacteria Sample
Where is Wicwas Lake-Bacteria Sample?
- Wicwas Lake-Bacteria Sample is a lake in Belknap County, New Hampshire. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Wicwas Lake-Bacteria Sample?
- Wicwas Lake-Bacteria Sample in Belknap County, New Hampshire has a water quality grade of D (Nutrient-rich). Phosphorus: 28.9 µg/L. Surface area: 330 acres.
Is Wicwas Lake-Bacteria Sample safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Wicwas Lake-Bacteria Sample has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Wicwas Lake-Bacteria Sample across LakeGrade
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 Grade D Lakes in New Hampshire
Rockingham County · Nutrient-rich
Rockingham County · Nutrient-rich
Rockingham County · Nutrient-rich
Rockingham County · Nutrient-rich
Sullivan County · Nutrient-rich
Hillsborough County · Nutrient-rich
Eutrophic Lakes in New Hampshire
Where this data comes from
26 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)
1111330026 samples · 2020–2025
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
- Turbidity by Nephelometry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database