Sarge Creek Lake
Kay County, OklahomaView mapDirections
Nutrients and algae sit mid-range for this region.
↑ up from D at the last regrade
- Eutrophic
- #1 of 5 in the county
- Public access
- Limited data
Sarge Creek Lake in Kay County, Oklahoma has a water quality grade of C (Fair). Phosphorus: 313.5 µg/L. Chlorophyll-a (algae): 7.4 µg/L.
- Type
- Eutrophic
- Phosphorus
- 313.5 µg/L
- Chlorophyll-a
- 7.4 µg/L
- Trend
- → Stable
- Public access
- Yes
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Watch Sarge Creek Lake’s letter
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Sarge Creek Lake is a productive, nutrient-rich eutrophic lake in Kay County, Oklahoma. Water quality is graded C based on 2 sampling years through 2021. Phosphorus level is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 4 other monitored lakes in Kay County, Sarge Creek Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2021-03-11. Grade methodology: LakeQuality methodology.
What Sarge Creek Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
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 C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: C (Fair)
No clarity data. Phosphorus 313.5 µg/L. Chlorophyll-a 7.4 µg/L. TSI 69. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 313.5 µg/L | Poor |
| Chlorophyll-a (Algae) | 7.4 µg/L | Good |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Recreation & Access
- Sarge CreekPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Sarge Creek Lake
Water Quality Trend: → Stable
Based on 10 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | 0 m/yr | 3 |
| Phosphorus | ↑ Improving | -27.2 µg/L/yr | 8 |
| Chlorophyll-a | ↓ Declining | +2.61 µg/L/yr | 5 |
County Ranking
Ranked #1 of 5 lakes in Kay County
Nearby Lakes in Kay County
Frequently asked questions about Sarge Creek Lake
Where is Sarge Creek Lake?
- Sarge Creek Lake is a lake in Kay County, Oklahoma. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Sarge Creek Lake?
- Sarge Creek Lake in Kay County, Oklahoma has a water quality grade of C (Fair). Phosphorus: 313.5 µg/L. Chlorophyll-a (algae): 7.4 µg/L.
Is Sarge Creek Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Sarge Creek Lake?
- Sarge Creek Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Sarge Creek. Public access is listed as yes.
Explore Sarge Creek Lake across LakeQuality
More Oklahoma Lake Rankings
Other Grade C Lakes in Oklahoma
Eutrophic Lakes in Oklahoma
Where this data comes from
179 measurements from 1 monitoring station, 2012–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kaw Nation, Oklahoma (Tribal)
KAWNATON_WQX179 samples · 2012–2021
Analytical methods
- Phosphorus, Recative (Orthophosphate) Ascorbic Acid Method
- Phosphorus, Total Ascorbic Acid Method
- Phosphorus by Colorimetry
- Phosphorus, Reactive (Orthophosphate) Ascorbic Acid Method
- Chlorophyll a-b-c Determination
- 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
- Color, APHA Platinum-Cobalt
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