Lake Ovid
Clinton County, Michigan413 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.
- Impaired · Mercury
- 10 ft max depth
- Public access
- Limited data
Lake Ovid in Clinton County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 6.5 ft visibility. Maximum depth: 10 ft. Surface area: 413 acres.
- Clarity
- 6.5 ft
- Max depth
- 10 ft
- Area
- 413 acres
- Trend
- ↓ Declining
- Public access
- Yes
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Stays near Lake Ovid
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Watch Lake Ovid’s letter
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Free interactive depth-contour map of Lake Ovid, reaching a maximum surveyed depth of 10 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Why Lake Ovid has no grade
Lake Ovid 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, Lake Ovid is Not Rated — not an F. Its 6.5-foot median from 47 readings collected 2016–2023 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.
Lake Ovid is a 413-acre lake in Clinton County, Michigan with a maximum depth of 10 feet. Overall water quality is declining over recent sampling years. The lake supports 1 documented fish species including Redear sunfish. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-05-14. Grade methodology: LakeQuality methodology.
What Lake Ovid is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Lake Ovid is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water quality measurements for Lake Ovid
These readings exist but are not enough for an A–F grade — see why.
Murky, only visible to about 6.5 ft. TSI 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 10 ft |
| Surface Area | 413 acres |
| Public Access | Yes |
Recreation & Access
- Lake OvidPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Lake Ovid
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.266 m/yr | 5 |
| Phosphorus | ↓ Declining | +1.86 µg/L/yr | 4 |
| Chlorophyll-a | ↓ Declining | +3.9 µg/L/yr | 3 |
Reservoir Info (USACE NID)
Lake Ovid is a man-made reservoir impounded by the Sleepy Hollow Dam (completed 1974), built primarily for flood risk reduction on the Little Maple River; earth-type dam, 30 ft tall and 1,072 ft long.
- Surface area
- 413 ac
- Normal storage
- 3,923 ac-ft
- Max storage
- 7,919 ac-ft
- Drainage area
- 10.4 sq mi
- Hazard class
- Significant
- Owner
- MDNR Parks & Recreation
Source: USACE National Inventory of Dams, NID ID MI00717 · Operator website
EPA Impairment Status
Lake Ovid 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 MI040500050104-03 · Official waterbody report
Graded lakes near Lake Ovid
Lake Ovid has no grade, but these lakes within a short drive do.
Nearby Lakes in Clinton County
Frequently asked questions about Lake Ovid
Where is Lake Ovid?
- Lake Ovid is a lake in Clinton 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 Lake Ovid?
- Lake Ovid in Clinton County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 6.5 ft visibility. Maximum depth: 10 ft. Surface area: 413 acres.
Is Lake Ovid safe to swim in?
- The letter is not a swimming clearance. Lake Ovid is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Lake Ovid?
- Lake Ovid has a maximum depth of 10 feet. The lake covers 413 acres.
What fish are in Lake Ovid?
- Fish species found in Lake Ovid include Redear sunfish. Lake Ovid is located in Clinton County, Michigan.
Are there boat ramps on Lake Ovid?
- Lake Ovid has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Ovid. Public access is listed as yes.
Explore Lake Ovid across LakeQuality
Depth, room, public access, and the state wake-sport rules
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Species activity outlook by water temperature and season
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Where this data comes from
47 measurements from 1 monitoring station, 2016–2023. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS47 samples · 2016–2023
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
Named boat-access points from the USGS National Boat Ramps inventory