Zehner Millpond
Marshall County, Indiana129 acresView mapDirections
IDEM publishes the water-quality measurements for Zehner Millpond. Here is what has been measured.
- Oligotrophic
- Limited data
Zehner Millpond in Marshall County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 52.4 µg/L. Chlorophyll-a (algae): 2 µg/L. Surface area: 129 acres.
Zehner Millpond is a 129-acre cold, clear oligotrophic lake in Marshall County, Indiana.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2024-07-30. Methodology: how these readings are compared.
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. Check local advisories before you swim.
Whether Zehner Millpond 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 Zehner Millpond
These are the measurements IDEM publishes for Zehner Millpond, 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 52.4 µg/L. Chlorophyll-a 2 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 | 52.4µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 2µg/L | Good GoodFairPoor |
Low nutrients, clear water. No reading is a swimming clearance.
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Lake Details
Surface area
129 acres
Shoreline
6.3 mi
No bathymetric survey has been published for Zehner Millpond, so its depth is not documented here.
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Frequently asked questions about Zehner Millpond
Where is Zehner Millpond?
- Zehner Millpond 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 Zehner Millpond?
- Zehner Millpond in Marshall County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 52.4 µg/L. Chlorophyll-a (algae): 2 µg/L. Surface area: 129 acres.
Is Zehner Millpond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Zehner Millpond 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.