Pioneer Cover Lake
Osage County, OklahomaView mapDirections
Nutrients and algae run above the regional average.
- Eutrophic
- #7 of 7 in the county
- Public access
- Limited data
Pioneer Cover Lake in Osage County, Oklahoma has a water quality grade of D (Nutrient-rich). Phosphorus: 223.5 µg/L. Chlorophyll-a (algae): 15.4 µg/L.
- Type
- Eutrophic
- Phosphorus
- 223.5 µg/L
- Chlorophyll-a
- 15.4 µg/L
- Trend
- → Stable
- Public access
- Yes
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Pioneer Cover Lake is a productive, nutrient-rich eutrophic lake in Osage County, Oklahoma. Water quality is graded D based on 1 sampling years through 2021. Phosphorus level is improving over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 6 other monitored lakes in Osage County, Pioneer Cover Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2021-03-02. Grade methodology: LakeQuality methodology.
What Pioneer Cover Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus 223.5 µg/L. Chlorophyll-a 15.4 µg/L. TSI 70. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 223.5 µg/L | Poor |
| Chlorophyll-a (Algae) | 15.4 µg/L | Not graded |
| Trophic State Index (TSI) | 70 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Recreation & Access
- Burbank LandingPublic
- Pioneer ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Pioneer Cover Lake
Water Quality Trend: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -95.91 µg/L/yr | 7 |
| Chlorophyll-a | ↓ Declining | +9.3 µg/L/yr | 2 |
County Ranking
Ranked #7 of 7 lakes in Osage County
Nearby Lakes in Osage County
Frequently asked questions about Pioneer Cover Lake
Where is Pioneer Cover Lake?
- Pioneer Cover Lake is a lake in Osage County, Oklahoma. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Pioneer Cover Lake?
- Pioneer Cover Lake in Osage County, Oklahoma has a water quality grade of D (Nutrient-rich). Phosphorus: 223.5 µg/L. Chlorophyll-a (algae): 15.4 µg/L.
Is Pioneer Cover Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Pioneer Cover Lake?
- Pioneer Cover Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Burbank Landing, Pioneer Park. Public access is listed as yes.
Explore Pioneer Cover Lake across LakeQuality
More Oklahoma Lake Rankings
Other Grade D Lakes in Oklahoma
Eutrophic Lakes in Oklahoma
Where this data comes from
111 measurements from 1 monitoring station, 2014–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kaw Nation, Oklahoma (Tribal)
KAWNATON_WQX111 samples · 2014–2021
Analytical methods
- Phosphorus, Total Ascorbic Acid Method
- Phosphorus by Colorimetry
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory