Sherwood Lake South Basin; Commerce Township
Sherwood Lake South Basin; Commerce Township in Oakland County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 260 acres.
- Mean depth
- ~11 ft est.
- Area
- 260 acres
- Public access
- Yes
Next lake in Oakland County
Swipe left or right on this bar to open the next or previous lake.
Why Sherwood Lake South Basin; Commerce Township has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Sherwood Lake South Basin; Commerce Township, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by EGLE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Sherwood Lake South Basin; Commerce Township is a 260-acre lake in Oakland County, Michigan with an estimated average depth of about 11 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2018-04-01. Grade methodology: LakeQuality methodology.
Watch Sherwood Lake South Basin; Commerce Township water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedBacteria advisory
Not rated for swimming — there is not enough monitoring data to judge this lake
Compare the safest swimming lakes near Detroit →
Get alerts for Sherwood Lake South Basin; Commerce Township →
Water quality measurements for Sherwood Lake South Basin; Commerce Township
These readings exist but are not enough for an A–F grade — see why.
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Where to stay near Sherwood Lake South Basin; Commerce Township
Compare lakeside cabins, hotels, and vacation rentals near Sherwood Lake South Basin; Commerce Township in Oakland County, Michigan — 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.
Top-rated places to stay near Sherwood Lake South Basin; Commerce Township
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Michigan’s top lakes →
Lake Details
| Characteristic | Value |
|---|---|
| Average Depth | ~11 ft est. |
| Surface Area | 260 acres |
| Public Access | Yes |
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Michigan has not published bathymetry for Sherwood Lake South Basin; Commerce Township.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
Fishing Sherwood Lake South Basin; Commerce Township
Reservoir Info (USACE NID)
Sherwood Lake South Basin; Commerce Township is a man-made reservoir impounded by the Lake Sherwood Dam (completed 1957), built primarily for recreation on the Tributary to Huron River; earth-type dam, 22 ft tall and 1,300 ft long.
- Surface area
- 260 ac
- Normal storage
- 1,600 ac-ft
- Max storage
- 2,300 ac-ft
- Drainage area
- 10.5 sq mi
- Hazard class
- Significant
- Owner
- Lake Sherwood Association
Source: USACE National Inventory of Dams, NID ID MI00615 · Operator website · Matched by proximity (0.27 km)
EPA Impairment Status
Sherwood Lake South Basin; Commerce Township is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040900050105-12 · Official waterbody report · Matched by proximity (1.7 km)
Nearby Lakes in Oakland County
Frequently asked questions about Sherwood Lake South Basin; Commerce Township
Where is Sherwood Lake South Basin; Commerce Township?
- Sherwood Lake South Basin; Commerce Township is a lake in Oakland County, Michigan. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.
What is the water quality grade for Sherwood Lake South Basin; Commerce Township?
- Sherwood Lake South Basin; Commerce Township in Oakland County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 260 acres.
Is Sherwood Lake South Basin; Commerce Township safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Sherwood Lake South Basin; Commerce Township is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
How deep is Sherwood Lake South Basin; Commerce Township?
- No published bathymetric survey covers Sherwood Lake South Basin; Commerce Township, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 11 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 260 acres.
Are there boat ramps on Sherwood Lake South Basin; Commerce Township?
- Sherwood Lake South Basin; Commerce Township has 1 documented boat landing in the USGS National Boat Ramps inventory. Public access is listed as yes.
Explore Sherwood Lake South Basin; Commerce Township across LakeQuality
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Oakland County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
Michigan's cleanest and most-polluted lakes, ranked
More Michigan Lake Rankings
Other Lakes in Michigan
Where this data comes from
1 measurement from 1 monitoring station, 2018. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS1 sample · 2018
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory