Webster Lake
Kosciusko County, Indiana774 acresView mapDirections
IDEM publishes the water-quality measurements for Webster Lake. Here is what has been measured.
- 49 ft max depth
- Public access
- Limited data
Webster Lake in Kosciusko County, Indiana has water-quality measurements published by IDEM, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 99.5 µg/L. Chlorophyll-a (algae): 8.3 µg/L. Surface area: 774 acres.
Webster Lake is a 774-acre lake in Kosciusko County, Indiana with an estimated average depth of about 49 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2021-08-11. Methodology: how these readings are compared.
Webster Lake covers about 770 acres in Kosciusko County. It has one public boat landing. If you are planning to stay, you can search lake houses and cabins around Webster Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Webster Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Webster 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 Webster Lake
These are the measurements IDEM publishes for Webster Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.6 ft. Phosphorus 99.5 µg/L. Chlorophyll-a 8.3 µg/L. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 99.5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 8.3µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Webster Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~49 ft est.
Surface area
774 acres
Public access
Yes
Listed by IDEM
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Indiana has not published bathymetry for Webster Lake.
Lake Size & Watershed
Watershed (drainage) area
56 sq mi
HydroLAKES / HydroSHEDS
Shoreline
6.6 mi
HydroLAKES / HydroSHEDS
Elevation
846 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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 Webster Lake
Compare lakeside cabins, hotels, and vacation rentals near Webster Lake in Kosciusko County, Indiana — 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 Webster Lake
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Fishing Webster Lake
Reservoir Info (USACE NID)
Webster Lake is a man-made reservoir impounded by the Webster Lake Dam - East (completed 1835), built primarily for recreation on the TIPPECANOE RIVER; gravity-type dam, 12 ft tall and 38 ft long.
- Surface area
- 774 ac
- Normal storage
- 5,389 ac-ft
- Max storage
- 7,545 ac-ft
- Drainage area
- 49.2 sq mi
- Hazard class
- High
- Owner
- Steve Bryant
Source: USACE National Inventory of Dams, NID ID IN00346 · Operator website · Matched by proximity (0.96 km)
Regulated Pollution Sources Nearby
9 EPA-permitted facilities operate within about 5 miles of Webster Lake under Clean Water Act (NPDES) discharge permits.
- Epworth Forest Discipleship CenterNorth Webster · 0.6 mi away · NPDES INR10M753
- Epworth Forest Buck LodgeNorth Webster · 0.6 mi away · NPDES INRA00993
- New LibraryNorth Webster · 0.9 mi away · NPDES INRA03856
- Reimer'S Ice Service IncNorth Webster · 1 mi away · NPDES IN0109665
- Crystal Flash #66North Webster · 1 mi away · NPDES ING080269
- Epworth Forest Conference CtrNorth Webster · 1.2 mi away · NPDES IN0037087
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Kosciusko County
Frequently asked questions about Webster Lake
Where is Webster Lake?
- Webster Lake is a lake in Kosciusko County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Webster Lake?
- Webster Lake in Kosciusko County, Indiana has water-quality measurements published by IDEM, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 99.5 µg/L. Chlorophyll-a (algae): 8.3 µg/L. Surface area: 774 acres.
Is Webster Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Webster Lake?
- No published bathymetric survey covers Webster Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 49 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 774 acres.
Are there boat ramps on Webster Lake?
- Webster 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 Webster Lake?
- Webster 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.
Explore Webster Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
Top lakes and where to stay in the Northern Indiana Lake Country area
Where to stay at Indiana's top lakes, each with its readings
Indiana's cleanest lakes, ranked on agency measurements
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Eutrophic Lakes in Indiana
Where this data comes from
11 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS11 samples · 2021
Monitoring station identifiers (1)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory