Lake Tillery
Montgomery County, North CarolinaView mapDirections
NC DEQ publishes the water-quality measurements for Lake Tillery. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Lake Tillery in Montgomery County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 15 µg/L.
Lake Tillery is a productive, nutrient-rich eutrophic lake in Montgomery County, North Carolina. Limited fish-species data available. Public access is available. Compared to the 2 other monitored lakes in Montgomery County, Lake Tillery ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2021-09-14. Methodology: how these readings are compared.
For a place on the water, look through cabin and lake-house rentals near Lake Tillery on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
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 Lake Tillery is safe to swim in today is a call for the North Carolina Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Tillery
These are the measurements NC DEQ publishes for Lake Tillery, 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 30 µg/L. Chlorophyll-a 15 µg/L. TSI 55.
| 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 | 30µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 15µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Tillery
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Lake Tillery
Compare lakeside cabins, hotels, and vacation rentals near Lake Tillery in Montgomery County, North Carolina — 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 readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Tillery are listed below.
Top-rated places to stay near Lake Tillery
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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Fishing Lake Tillery
Nearby Lakes in Montgomery County
Frequently asked questions about Lake Tillery
Where is Lake Tillery?
- Lake Tillery is a lake in Montgomery County, North Carolina. Its water-quality measurements are published by NC DEQ and shown on this page as reported.
What is the water quality of Lake Tillery?
- Lake Tillery in Montgomery County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 15 µg/L.
Is Lake Tillery safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Lake Tillery?
- Public access to Lake Tillery is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by North Carolina's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Tillery across LakeQuality
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
Where to stay at North Carolina's top lakes, each with its readings
North Carolina's cleanest lakes, ranked on agency measurements
More lakes in North Carolina
Other Lakes in North Carolina
Eutrophic Lakes in North Carolina
Where this data comes from
63 measurements from 4 monitoring stations, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ63 samples · 2021
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (4)
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.