Wall Lake
Barry County, Michigan557 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- 36 ft max depth
- Limited data
Wall Lake in Barry County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 10 ft visibility. Maximum depth: 36 ft. Surface area: 557.1 acres.
- Clarity
- 10 ft
- Max depth
- 36 ft
- Area
- 557 acres
- Trend
- ↓ Declining
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Watch Wall Lake’s letter
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Free interactive depth-contour map of Wall Lake, reaching a maximum surveyed depth of 36 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Why Wall Lake has no grade
Wall Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Wall Lake is Not Rated — not an F. Its 10-foot median from 104 readings collected 2016–2022 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. 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.
Wall Lake is a 557-acre lake in Barry County, Michigan with a maximum depth of 36 feet. Overall water quality is declining over recent sampling years. The lake supports 18 documented fish species including Black crappie, Blackchin shiner, and Bluegill.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-22. Grade methodology: LakeQuality methodology.
What Wall Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10 ft of visibility
- Fishing18 species recorded
- Deep water36 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Wall Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 10 ft. TSI 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 36 ft |
| Surface Area | 557 acres |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Wall Lake
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.169 m/yr | 7 |
Graded lakes near Wall Lake
Wall Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Barry County
Frequently asked questions about Wall Lake
Where is Wall Lake?
- Wall Lake is a lake in Barry County, Michigan. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Wall Lake?
- Wall Lake in Barry County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 10 ft visibility. Maximum depth: 36 ft. Surface area: 557.1 acres.
Is Wall Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Wall Lake?
- Wall Lake has a maximum depth of 36 feet. The lake covers 557.1 acres.
What fish are in Wall Lake?
- Fish species found in Wall Lake include Black crappie, Blackchin shiner, Bluegill, Bluntnose minnow, Bowfin, Golden shiner, Grass pickerel, Green sunfish, Iowa darter, Lake chubsucker, Largemouth bass, Mimic shiner, Pumpkinseed, Smallmouth bass, Walleye, Warmouth, Yellow bullhead, Yellow perch. Wall Lake is located in Barry County, Michigan.
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Where this data comes from
104 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS104 samples · 2016–2022
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
Lake size & watershed from HydroLAKES (HydroSHEDS)