Northwood Lake-Esther Lane Docks
Northwood Lake-Esther Lane Docks in Rockingham County, New Hampshire has a water quality grade of D (Nutrient-rich). Phosphorus: 30.5 µg/L.
- Type
- Eutrophic
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Northwood Lake-Esther Lane Docks →
Northwood Lake-Esther Lane Docks is a productive, nutrient-rich eutrophic lake in Rockingham County, New Hampshire. Water quality is graded D based on 1 sampling years through 2022. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 50 other monitored lakes in Rockingham County, Northwood Lake-Esther Lane Docks ranks #50 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-06-22. Grade methodology: LakeGrade methodology.
Watch Northwood Lake-Esther Lane Docks water quality
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Swimming Safety
Grade onlyBacteria advisory
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: 30.5 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 30.5 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 Northwood Lake-Esther Lane Docks
Compare lakeside cabins, hotels, and vacation rentals near Northwood Lake-Esther Lane Docks 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Northwood Lake-Esther Lane Docks are listed below.
Top-rated places to stay near Northwood Lake-Esther Lane Docks
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Recreation & Access
- NorthwoodPublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Northwood Lake-Esther Lane Docks
EPA Impairment Status
Northwood Lake-Esther Lane Docks 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 NHLAK700060502-08-02 · Official waterbody report · Matched by proximity (0.27 km)
County Ranking
Ranked #50 of 51 lakes in Rockingham County
Nearby Lakes in Rockingham County
Frequently asked questions about Northwood Lake-Esther Lane Docks
Where is Northwood Lake-Esther Lane Docks?
- Northwood Lake-Esther Lane Docks is a lake in Rockingham 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 Northwood Lake-Esther Lane Docks?
- Northwood Lake-Esther Lane Docks in Rockingham County, New Hampshire has a water quality grade of D (Nutrient-rich). Phosphorus: 30.5 µg/L.
Is Northwood Lake-Esther Lane Docks safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Northwood Lake-Esther Lane Docks has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Are there boat ramps on Northwood Lake-Esther Lane Docks?
- Northwood Lake-Esther Lane Docks has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Northwood. Public access is listed as yes.
Explore Northwood Lake-Esther Lane Docks 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
Belknap County · Nutrient-rich
Hillsborough County · Nutrient-rich
Hillsborough County · Nutrient-rich
Hillsborough County · Nutrient-rich
Hillsborough County · Nutrient-rich
Belknap County · Nutrient-rich
Eutrophic Lakes in New Hampshire
Where this data comes from
3 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
111133003 samples · 2021–2022
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
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
Named boat-access points from the USGS National Boat Ramps inventory