Pershing State Park Lake is a productive, nutrient-rich eutrophic lake in Linn County, Missouri. Water quality is graded D based on 1 sampling years through 2023. Compared to the 3 other monitored lakes in Linn County, Pershing State Park Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2023-12-08. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 75 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 75 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Pershing State Park Lake
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Top-rated places to stay near Pershing State Park Lake
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Fishing Pershing State Park Lake
Location
County Ranking
Ranked #3 of 4 lakes in Linn County
Cleaner Lakes Within 30 Miles
Pershing State Park Lake holds Grade D. 5 nearby lakes hold higher grades.
- BLake Nehai TonkayeaChariton County · 21.2 mi · Two grade letters higher (D → B)
- BBrookfield LakeLinn County · 10.4 mi · Two grade letters higher (D → B)
- CJo Shelby LakeLinn County · 6.5 mi · Higher grade (D → C)
- CMarceline City Lake New Nr. DamChariton County · 13.8 mi · Higher grade (D → C)
- DIndian Creek LakeLivingston County · 26.9 mi · Higher overall water quality score
Nearby Lakes in Linn County
Explore Pershing State Park Lake across LakeGrade
More Missouri Lake Rankings
Other Grade D Lakes in Missouri
Eutrophic Lakes in Missouri
More records, surveys & data sources
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Pershing State Park Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- Mdnr, Pershing State ParkLaclede · 0.4 mi away · NPDES MO0051748Recent violation
- Laclede WwtfLaclede · 3.2 mi away · NPDES MO0092932Recent violation
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.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-12-08
Monitoring stations: 1