Warren Lake-Arbor Way Beach
Cheshire County, New Hampshire200 acresView mapDirections
NHDES publishes the water-quality measurements for Warren Lake-Arbor Way Beach. Here is what has been measured.
- Mesotrophic
- Limited data
Warren Lake-Arbor Way Beach in Cheshire County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 14.6 µg/L. Surface area: 200 acres.
Warren Lake-Arbor Way Beach is a 200-acre mesotrophic lake in Cheshire County, New Hampshire. Compared to the 37 other monitored lakes in Cheshire County, Warren Lake-Arbor Way Beach ranks #25 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-09-19. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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. Check local advisories before you swim.
Whether Warren Lake-Arbor Way Beach 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 Warren Lake-Arbor Way Beach
These are the measurements NHDES publishes for Warren Lake-Arbor Way Beach, 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 14.6 µg/L. TSI 43.
| 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 | 14.6µg/L | Good 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. | 43 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Warren Lake-Arbor Way Beach
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
200 acres
No bathymetric survey has been published for Warren Lake-Arbor Way Beach, so its depth is not documented here.
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Fishing Warren Lake-Arbor Way Beach
Reservoir Info (USACE NID)
Warren Lake-Arbor Way Beach is a man-made reservoir impounded by the Warren Lake Dam (completed 1771), built primarily for recreation on the Warren Brook; rockfill-type dam, 13 ft tall and 170 ft long.
- Surface area
- 200 ac
- Normal storage
- 501 ac-ft
- Max storage
- 1,739 ac-ft
- Drainage area
- 4.88 sq mi
- Hazard class
- High
- Owner
- TOWN OF ALSTEAD
Source: USACE National Inventory of Dams, NID ID NH00008 · Operator website · Matched by proximity (0.34 km)
Nearby Lakes in Cheshire County
Frequently asked questions about Warren Lake-Arbor Way Beach
Where is Warren Lake-Arbor Way Beach?
- Warren Lake-Arbor Way Beach is a lake in Cheshire County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Warren Lake-Arbor Way Beach?
- Warren Lake-Arbor Way Beach in Cheshire County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 14.6 µg/L. Surface area: 200 acres.
Is Warren Lake-Arbor Way Beach safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Warren Lake-Arbor Way Beach across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
111133004 samples · 2024
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
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.