Tony Tank Creek Lake
Wicomico County, Maryland42 acresView mapDirections
MDE publishes the water-quality measurements for Tony Tank Creek Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
Tony Tank Creek Lake in Wicomico County, Maryland has water-quality measurements published by MDE, shown here as reported. Water clarity: 3.3 ft visibility. Surface area: 42 acres.
Tony Tank Creek Lake is a 42-acre lake in Wicomico County, Maryland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2016-03-01. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Tony Tank Creek Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), sediment / turbidity. Check local advisories before you swim.
Whether Tony Tank Creek Lake is safe to swim in today is a call for the Maryland Department of the Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Tony Tank Creek Lake
These are the measurements MDE publishes for Tony Tank Creek Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3.3 ft of visibility. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading 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. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Tony Tank Creek Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
42 acres
No bathymetric survey has been published for Tony Tank Creek Lake, so its depth is not documented here.
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Fishing Tony Tank Creek Lake
Water quality readings over time
2 seasons of samples on record (2014–2015). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Stable2 years
Reservoir Info (USACE NID)
Tony Tank Creek Lake is a man-made reservoir impounded by the Camden Avenue Dam (completed 1921), built primarily for recreation on the Tonytank Creek; earth-type dam, 12 ft tall and 350 ft long.
- Surface area
- 42 ac
- Normal storage
- 100 ac-ft
- Max storage
- 342 ac-ft
- Drainage area
- 11.5 sq mi
- Hazard class
- Low
- Owner
- Wicomico County Government
Source: USACE National Inventory of Dams, NID ID MD00027 · Operator website · Matched by proximity (0.71 km)
EPA Impairment Status
Tony Tank Creek Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MD-021303010558-Tony_Tank_Lake · Official waterbody report
Nearby Lakes in Wicomico County
Frequently asked questions about Tony Tank Creek Lake
Where is Tony Tank Creek Lake?
- Tony Tank Creek Lake is a lake in Wicomico County, Maryland. Its water-quality measurements are published by MDE and shown on this page as reported.
What is the water quality of Tony Tank Creek Lake?
- Tony Tank Creek Lake in Wicomico County, Maryland has water-quality measurements published by MDE, shown here as reported. Water clarity: 3.3 ft visibility. Surface area: 42 acres.
Is Tony Tank Creek Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Tony Tank Creek Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), sediment / turbidity. Check local advisories before you swim.
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Where this data comes from
209 measurements from 3 monitoring stations, 2014–2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples209 samples · 2014–2016
Monitoring station identifiers (3)
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
Impairment status from EPA ATTAINS 303(d) database