Lake Harold
Lake Harold in Antrim County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 26 ft. Surface area: 50.5 acres.
- Max depth
- 26 ft
- Area
- 51 acres
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Water clarity at Lake Harold
Moderate clarity. Across summers from 2018 to 2023, Lake Harold averaged 1.65 m (5 ft) of visibility down into the water, so visibility is middling in midsummer, which is ordinary for a productive inland lake. This lake sits close to the line between clarity classes, so treat the label as approximate and the depth reading as the real number.
Nobody has taken a water sample here that we can find. Michigan's environmental agency measures clarity on lakes like this one from satellite images instead, which is why this page reports how clear the water is but carries no A–F grade.
Clear is not the same as clean. A lake can be easy to see through and still carry high nutrient levels, and a naturally tea-stained lake can be perfectly healthy. The A–F grade on other lakes is built from phosphorus and algae measured in a laboratory, and clarity alone cannot stand in for it.
The same satellite images put summer algae here at roughly 7.77 micrograms per litre. Estimating algae from orbit is far less exact than measuring clarity, so that figure is worth knowing and is not part of any rating.
Lake Harold is a 51-acre lake in Antrim County, Michigan with a maximum depth of 26 feet (12-foot average).
Source: EPA Water Quality Portal sampling records, EGLE, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Harold water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Harold
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Harold
Compare lakeside cabins, hotels, and vacation rentals near Lake Harold in Antrim 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 Lake Harold
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 26 ft |
| Average Depth | 12 ft |
| Surface Area | 51 acres |
| Shoreline Length | 1.1 mi |
Fishing Lake Harold
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Frequently asked questions about Lake Harold
Where is Lake Harold?
- Lake Harold is a lake in Antrim County, Michigan. LakeQuality has not rated this lake (UNRATED) — no in-situ water sample; this lake is rated for water clarity from satellite observations instead.
What is the water quality grade for Lake Harold?
- Lake Harold in Antrim County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 26 ft. Surface area: 50.5 acres.
Is Lake Harold safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Harold 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 Lake Harold?
- Lake Harold has a maximum depth of 26 feet and an average depth of 12 feet. The lake covers 50.5 acres.
Explore Lake Harold across LakeQuality
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Where this data comes from
Measurements for Lake Harold come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.