Blue Mountain Lake @ Ashley Creek
Logan County, ArkansasView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Public access
- Limited data
Blue Mountain Lake @ Ashley Creek in Logan County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.5 ft visibility. Phosphorus: 89 µg/L. Chlorophyll-a (algae): 37.6 µg/L.
- Clarity
- 1.5 ft
- Phosphorus
- 89 µg/L
- Chlorophyll-a
- 37.6 µg/L
- Trend
- → Stable
- Public access
- Yes
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Watch Blue Mountain Lake @ Ashley Creek’s letter
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Why Blue Mountain Lake @ Ashley Creek has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Blue Mountain Lake @ Ashley Creek, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by ADEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Blue Mountain Lake @ Ashley Creek is a lake in Logan County, Arkansas. Water clarity is improving over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2014-08-21. Grade methodology: LakeQuality methodology.
What Blue Mountain Lake @ Ashley Creek is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Blue Mountain Lake @ Ashley Creek
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 1.5 ft of visibility. Phosphorus 89 µg/L. Chlorophyll-a 37.6 µg/L. TSI 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.5 ft | Not graded |
| Phosphorus | 89 µg/L | Not graded |
| Chlorophyll-a (Algae) | 37.6 µg/L | Not graded |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Recreation & Access
- Hise Hill Recreation AreaPublic
- Ashley Creek Recreation AreaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Blue Mountain Lake @ Ashley Creek
Water Quality Trend: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.075 m/yr | 3 |
| Phosphorus | → Stable | +1.51 µg/L/yr | 7 |
| Chlorophyll-a | ↓ Declining | +4.25 µg/L/yr | 7 |
Graded lakes near Blue Mountain Lake @ Ashley Creek
Blue Mountain Lake @ Ashley Creek has no grade, but these lakes within a short drive do.
Nearby Lakes in Logan County
Frequently asked questions about Blue Mountain Lake @ Ashley Creek
Where is Blue Mountain Lake @ Ashley Creek?
- Blue Mountain Lake @ Ashley Creek is a lake in Logan County, Arkansas. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Blue Mountain Lake @ Ashley Creek?
- Blue Mountain Lake @ Ashley Creek in Logan County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.5 ft visibility. Phosphorus: 89 µg/L. Chlorophyll-a (algae): 37.6 µg/L.
Is Blue Mountain Lake @ Ashley Creek safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Blue Mountain Lake @ Ashley Creek?
- Blue Mountain Lake @ Ashley Creek has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Hise Hill Recreation Area, Ashley Creek Recreation Area. Public access is listed as yes.
Explore Blue Mountain Lake @ Ashley Creek across LakeQuality
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Other Lakes in Arkansas
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Where this data comes from
4 measurements from 1 monitoring station, 2014. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Arkansas Water Science Center
USGS-AR4 samples · 2014
Analytical methods
- Secchi disk method
- P, wu, WCA, persulfate CF color
- Plant pigments, sonication & 445
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