Lake Brockman
Lake Brockman in WA, Australia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3 m visibility. Chlorophyll-a (algae): 0.4 µg/L.
- Clarity
- 3 m
Why Lake Brockman has no A–F grade
Lake Brockman 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 Brockman is a lake in WA County, Australia.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-08-19. 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 Brockman
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 9.8 ft. Chlorophyll-a: 0.4 µg/L. Trophic State Index: 33.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.98 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 0.4 µg/L | Not graded |
| Trophic State Index (TSI) | 33 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lake Brockman
Compare lakeside cabins, hotels, and vacation rentals near Lake Brockman 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 Brockman
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Fishing Lake Brockman
Frequently asked questions about Lake Brockman
What is the water quality of Lake Brockman?
- Lake Brockman in WA, Australia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3 m visibility. Chlorophyll-a (algae): 0.4 µg/L.
Is Lake Brockman safe to swim in?
- Lake Brockman 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
16 measurements from 4 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-biooptical16 samples · 2021
Analytical methods
- CSIRO inland waters bio-optical (surface HPLC chlorophyll-a, Secchi)
Monitoring station identifiers (4)
BRK_01BRK_02BRK_03BRK_04
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: 2021-08-19
Monitoring stations: 4