Pathfinder Reservoir Riverine Pelagic is a productive, nutrient-rich eutrophic lake in Natrona County, Wyoming. Water quality is graded C based on 2 sampling years through 2013. Compared to the 13 other monitored lakes in Natrona County, Pathfinder Reservoir Riverine Pelagic ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2013-07-09. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 4.4 ft. Phosphorus level: 25 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.4 ft | D |
| Phosphorus | 25 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Pathfinder Reservoir Riverine Pelagic
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Fishing Pathfinder Reservoir Riverine Pelagic
Location
County Ranking
Ranked #10 of 14 lakes in Natrona County
Cleaner Lakes Within 30 Miles
Pathfinder Reservoir Riverine Pelagic holds Grade C. 5 nearby lakes hold higher grades.
- BPathfinder Reservoir Transitional PelagicNatrona County · 3.1 mi · Higher grade (C → B)
- BPathfinder Reservoir Lacustrine PelagicNatrona County · 3.3 mi · Higher grade (C → B)
- BPathfinder Reservoir Transitional LittoralNatrona County · 3.4 mi · Higher grade (C → B)
- BAlcova Reservoir Transitional PelagicNatrona County · 7.6 mi · Higher grade (C → B)
- BPathfinder Reservoir Lacustrine LittoralNatrona County · 3.6 mi · Higher grade (C → B)
Nearby Lakes in Natrona County
Explore Pathfinder Reservoir Riverine Pelagic across LakeGrade
More Wyoming Lake Rankings
Other Grade C Lakes in Wyoming
Carbon County · Clarity: 5.9 ft
Carbon County · Clarity: 4.6 ft
Carbon County · Clarity: 4.4 ft
Carbon County · Fair
Sweetwater County · Fair
Carbon County · Fair
Eutrophic Lakes in Wyoming
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2013-07-09
Monitoring stations: 1