Long Lake Northeast Basin; Hope Twsp. is a mesotrophic lake in Barry County, Michigan. Water quality is graded A based on 2 sampling years through 2023. Water clarity is improving over recent sampling years. Compared to the 13 other monitored lakes in Barry County, Long Lake Northeast Basin; Hope Twsp. ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-18. Grade methodology: LakeGrade methodology.
Watch Long Lake Northeast Basin; Hope Twsp. water quality
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 11 ft. Chlorophyll-a: 3.4 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.4 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Long Lake Northeast Basin; Hope Twsp.
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Fishing Long Lake Northeast Basin; Hope Twsp.
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.81 m/yr | 3 |
| Chlorophyll-a | ↓ Declining | +0.5 µg/L/yr | 3 |
Location
County Ranking
Ranked #5 of 14 lakes in Barry County
Nearby Lakes in Barry County
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Moderate nutrients, good water quality
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Other Grade A Lakes in Michigan
Allegan County · Clarity: 14 ft
St. Joseph County · Clarity: 10.5 ft
Van Buren County · Clarity: 13 ft
Van Buren County · Clarity: 17 ft
Van Buren County · Clarity: 15 ft
St. Joseph County · Clarity: 16 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-18
Monitoring stations: 1