Yellow Creek Lake
Kosciusko County, IndianaView mapDirections
IDEM publishes the water-quality measurements for Yellow Creek Lake. Here is what has been measured.
- 31 ft max depth
- Limited data
Yellow Creek Lake in Kosciusko County, Indiana has water-quality measurements published by IDEM, shown here as reported. Water clarity: 2.8 ft visibility. Phosphorus: 70.1 µg/L.
Yellow Creek Lake is a lake in Kosciusko County, Indiana with an estimated average depth of about 31 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2022-08-01. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Yellow Creek 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 Yellow Creek Lake
These are the measurements IDEM publishes for Yellow Creek Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.8 ft of visibility. Phosphorus 70.1 µg/L. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 70.1µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Yellow Creek Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~31 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Indiana has not published bathymetry for Yellow Creek Lake.
Lake Size & Watershed
Watershed (drainage) area
18 sq mi
HydroLAKES / HydroSHEDS
Surface area
133 acres
HydroLAKES / HydroSHEDS
Shoreline
1.9 mi
HydroLAKES / HydroSHEDS
Elevation
853 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.
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Stays near Yellow Creek Lake
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Fishing Yellow Creek Lake
Water quality readings over time
2 seasons of samples on record (2021–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Phosphorus
Improving-284.9 µg/L/yr2 years
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Yellow Creek Lake under Clean Water Act (NPDES) discharge permits.
- Yellow Creek CampgroundClaypool · 0.4 mi away · NPDES IN0056456
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 Yellow Creek Lake
Where is Yellow Creek Lake?
- Yellow Creek 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 Yellow Creek Lake?
- Yellow Creek Lake in Kosciusko County, Indiana has water-quality measurements published by IDEM, shown here as reported. Water clarity: 2.8 ft visibility. Phosphorus: 70.1 µg/L.
Is Yellow Creek Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Yellow Creek Lake?
- No published bathymetric survey covers Yellow Creek Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 31 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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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)