Lawrence Lake
Marshall County, Indiana71 acresView mapDirections
IDEM publishes the water-quality measurements for Lawrence Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Impaired biota (cause unknown)
- 63 ft max depth
- Public access
- Limited data
Lawrence Lake in Marshall County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 27.5 µg/L. Chlorophyll-a (algae): 3.8 µg/L. Maximum depth: 63 ft. Surface area: 71 acres.
Lawrence Lake is a 71-acre mesotrophic lake in Marshall County, Indiana with a maximum depth of 63 feet (23-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2024-07-18. Methodology: how these readings are compared.
What Lawrence Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Deep water63 ft surveyed max depth
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Lawrence Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
Whether Lawrence Lake is safe to swim in today is a call for the Indiana Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lawrence Lake
These are the measurements IDEM publishes for Lawrence Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 27.5 µg/L. Chlorophyll-a 3.8 µg/L.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 27.5µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 3.8µg/L | Good GoodFairPoor |
Moderate nutrients, good water quality
Ask about Lawrence Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
63 ft
Average depth
23 ft
Surface area
71 acres
Shoreline
1.9 mi
Public access
Yes
Listed by IDEM
Recreation & Access
- Tri-County Fish & Wildlife AreaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lawrence Lake
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Fishing Lawrence Lake
EPA Impairment Status
Lawrence Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit INK01P1037_00 · Official waterbody report
Nearby Lakes in Marshall County
Frequently asked questions about Lawrence Lake
Where is Lawrence Lake?
- Lawrence Lake is a lake in Marshall County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Lawrence Lake?
- Lawrence Lake in Marshall County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 27.5 µg/L. Chlorophyll-a (algae): 3.8 µg/L. Maximum depth: 63 ft. Surface area: 71 acres.
Is Lawrence Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lawrence Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
How deep is Lawrence Lake?
- Lawrence Lake has a maximum depth of 63 feet and an average depth of 23 feet. The lake covers 71 acres.
Are there boat ramps on Lawrence Lake?
- Lawrence Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Tri-County Fish & Wildlife Area. Public access is listed as yes.
Can I fish at Lawrence Lake?
- Lawrence Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Indiana's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Lawrence Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from 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