Harwood Lake
Cass County, WisconsinLimited DataMesotrophic
Harwood Lake is a mesotrophic lake in Cass County, MI. Water quality is graded C based on 1 sampling years through 2022. The lake supports 11 documented fish species including Blackchin shiner, Blackstripe topminnow, and Bluegill. Compared to the 22 other monitored lakes in Cass County, Harwood Lake ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-16. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8.3 ft. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.3 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Harwood Lake (14-day solunar calendar)
→ Is it safe to eat fish from Harwood Lake? (mercury & PFAS guide)
→ Harwood Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #13 of 23 lakes in Cass County
Cleaner Lakes Within 30 Miles
Harwood Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Cass County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Leelanau County · Clarity: 9.5 ft
Iosco County · Clarity: 5.5 ft
Muskegon County · Clarity: 6.8 ft
Gladwin County · Clarity: 9 ft
Montmorency County · Clarity: 9 ft
Oakland County · Clarity: 9 ft
Mesotrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-09-16
Monitoring stations: 1