North Chain Lake
St. Joseph County, Indiana86 acresView mapDirections
No nutrient or algae sampling on record from IDEM for this lake.
- Impaired · Mercury
- 32 ft max depth
- Public access
North Chain Lake in St. Joseph County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 32.2 ft. Surface area: 86 acres.
North Chain Lake is a 86-acre lake in St. Joseph County, Indiana with a maximum depth of 32 feet (10-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, IDEM. Methodology: how these readings are compared.
What North Chain Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Deep water32.2 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. North Chain Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs. Check local advisories before you swim.
Whether North Chain 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 North Chain Lake
These are the measurements IDEM publishes for North Chain 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. TSI undefined.
Ask about North Chain Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
32.2 ft
Average depth
9.8 ft
Surface area
86 acres
Shoreline
2.6 mi
Public access
Yes
Listed by IDEM
Recreation & Access
- Lentz LandingPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near North Chain Lake
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Fishing North Chain Lake
EPA Impairment Status
North Chain 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: Fish consumption.
Source: EPA ATTAINS assessment unit INK01P1055_00 · Official waterbody report
Nearby Lakes in St. Joseph County
Frequently asked questions about North Chain Lake
Where is North Chain Lake?
- North Chain Lake is a lake in St. Joseph County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of North Chain Lake?
- North Chain Lake in St. Joseph County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 32.2 ft. Surface area: 86 acres.
Is North Chain Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. North Chain Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs. Check local advisories before you swim.
How deep is North Chain Lake?
- North Chain Lake has a maximum depth of 32.2 feet and an average depth of 9.8 feet. The lake covers 86 acres.
Are there boat ramps on North Chain Lake?
- North Chain Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lentz Landing. Public access is listed as yes.
Can I fish at North Chain Lake?
- North Chain 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 North Chain Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory