Lake Argyle
Lake Argyle in WA, Australia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3 m visibility. Chlorophyll-a (algae): 2.7 µg/L.
- Clarity
- 3 m
Why Lake Argyle has no A–F grade
Lake Argyle in Australia is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity and algae (chlorophyll-a), but not phosphorus.
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: CSIRO (Commonwealth Scientific and Industrial Research Organisation).
Lake Argyle is a lake in WA County, Australia.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-09-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Argyle
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 9.9 ft. Chlorophyll-a: 2.7 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.03 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 2.7 µg/L | Not graded |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Argyle
Compare lakeside cabins, hotels, and vacation rentals near Lake Argyle in WA, Australia — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Lake Argyle
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Fishing Lake Argyle
Frequently asked questions about Lake Argyle
What is the water quality of Lake Argyle?
- Lake Argyle in WA, Australia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3 m visibility. Chlorophyll-a (algae): 2.7 µg/L.
Is Lake Argyle safe to swim in?
- Lake Argyle has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
20 measurements from 10 monitoring stations, 2021. Retrieved from CSIRO inland waters bio-optical sampling (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- CSIRO
csiro-inland-biooptical20 samples · 2021
Analytical methods
- CSIRO inland waters bio-optical (surface HPLC chlorophyll-a, Secchi)
Monitoring station identifiers (10)
ARG_01ARG_02ARG_03ARG_05ARG_06ARG_07ARG_08ARG_09ARG_10ARG_11
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2021-09-18
Monitoring stations: 10