Fdr Lake
Lincoln County, WashingtonView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- #1 of 1 in the county
- Public access
- Limited data
Fdr Lake in Lincoln County, Washington has a water quality grade of A (Excellent). Water clarity: 16.2 ft visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 2.3 µg/L.
- Clarity
- 16.2 ft
- Type
- Mesotrophic
- Phosphorus
- 10 µg/L
- Chlorophyll-a
- 2.3 µg/L
- Trend
- → Stable
- Public access
- Yes
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Fdr Lake is a mesotrophic lake in Lincoln County, Washington. Water quality is graded A based on 1 sampling years through 2022. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, WA Ecology, last sampled 2022-07-13. Grade methodology: LakeQuality methodology.
What Fdr Lake is good for
From access and monitoring records, not editorial picks.
- Clear water16.2 ft of visibility
- 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 A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Crystal clear, you can see 16.2 ft down. Phosphorus 10 µg/L. Chlorophyll-a 2.3 µg/L. TSI 38. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 16.2 ft | Not graded |
| Phosphorus | 10 µg/L | Not graded |
| Chlorophyll-a (Algae) | 2.3 µg/L | Good |
| Trophic State Index (TSI) | 38 | Mesotrophic |
Moderate nutrients, good water quality
Recreation & Access
- Hawk Creek CampgroundPublic
- Lincoln MillPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Fdr Lake
Water Quality Trend: → Stable
Based on 10 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.022 m/yr | 10 |
| Phosphorus | → Stable | 0 µg/L/yr | 2 |
| Chlorophyll-a | → Stable | +0.01 µg/L/yr | 7 |
County Ranking
Ranked #1 of 1 lakes in Lincoln County
Nearby Lakes in Lincoln County
Frequently asked questions about Fdr Lake
Where is Fdr Lake?
- Fdr Lake is a lake in Lincoln County, Washington. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Fdr Lake?
- Fdr Lake in Lincoln County, Washington has a water quality grade of A (Excellent). Water clarity: 16.2 ft visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 2.3 µg/L.
Is Fdr Lake safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Fdr Lake?
- Fdr Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Hawk Creek Campground, Lincoln Mill. Public access is listed as yes.
Explore Fdr Lake across LakeQuality
More Washington Lake Rankings
Other Grade A Lakes in Washington
Mesotrophic Lakes in Washington
Where this data comes from
52 measurements from 1 monitoring station, 2012–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Bureau of Reclamation
1119USBR_WQX52 samples · 2012–2022
Analytical methods
- Depth, Secchi disk depth
- Zebra/Quagga Mussel APHA 10200G Modified
- Phosphorus by Single Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Turbidity by Nephelometry
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