Sunday Pond
Franklin County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Sunday Pond. Here is what has been measured.
- Oligotrophic
- Public access
- Limited data
Sunday Pond in Franklin County, New York has water-quality measurements published by NY DEC, shown here as reported. Phosphorus: 10.5 µg/L. Chlorophyll-a (algae): 0.6 µg/L.
Sunday Pond is a cold, clear oligotrophic lake in Franklin County, New York. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 6 other monitored lakes in Franklin County, Sunday Pond ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2023-07-10. 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 Sunday Pond is safe to swim in today is a call for the New York Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Sunday Pond
These are the measurements NY DEC publishes for Sunday Pond, 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 10.5 µg/L. Chlorophyll-a 0.6 µg/L. TSI 32.
| 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 | 10.5µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 0.6µg/L | Measured, not scored 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. | 32 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Sunday Pond
Answers come straight from the public measurements and survey records on this page.
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Fishing Sunday Pond
Water Quality Trend: Improving
Based on 4 years of monitoring (2020–2023).
Phosphorus
Stable-0.2 µg/L/yr4 years
Chlorophyll-a
Improving-0.1 µg/L/yr2 years
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Sunday Pond under Clean Water Act (NPDES) discharge permits.
- Lands End CampSaranac Lake · 0.4 mi away · NPDES NY0201839
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Franklin County
Frequently asked questions about Sunday Pond
Where is Sunday Pond?
- Sunday Pond is a lake in Franklin County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.
What is the water quality of Sunday Pond?
- Sunday Pond in Franklin County, New York has water-quality measurements published by NY DEC, shown here as reported. Phosphorus: 10.5 µg/L. Chlorophyll-a (algae): 0.6 µg/L.
Is Sunday Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Sunday Pond?
- Public access to Sunday Pond is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by New York's fish and wildlife agency, so check its current regulations before you go.
Explore Sunday Pond across LakeQuality
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Where this data comes from
6 measurements from 1 monitoring station, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS New York Water Science Center
USGS-NY6 samples · 2020–2023
Analytical methods
- P, wu, WCA, persulfate CF color
- Chlorophyll a,fluorometric,uncor
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)