Laurel Lake-Keene Ave Trib
Cheshire County, New HampshireView mapDirections
NHDES publishes the water-quality measurements for Laurel Lake-Keene Ave Trib. Here is what has been measured.
- Limited data
Laurel Lake-Keene Ave Trib in Cheshire County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 5 µg/L.
Laurel Lake-Keene Ave Trib is a lake in Cheshire County, New Hampshire.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-07-19. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Laurel Lake-Keene Ave Trib 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 Laurel Lake-Keene Ave Trib
These are the measurements NHDES publishes for Laurel Lake-Keene Ave Trib, 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 5 µg/L. TSI 27.
| 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 | 5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| 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. | 27 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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Frequently asked questions about Laurel Lake-Keene Ave Trib
Where is Laurel Lake-Keene Ave Trib?
- Laurel Lake-Keene Ave Trib 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 Laurel Lake-Keene Ave Trib?
- Laurel Lake-Keene Ave Trib in Cheshire County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 5 µg/L.
Is Laurel Lake-Keene Ave Trib safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Laurel Lake-Keene Ave Trib across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
111133001 sample · 2023
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.