Lake Dartmouth
Lake Dartmouth in VIC, Australia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3.1 m visibility. Chlorophyll-a (algae): 1.5 µg/L.
- Clarity
- 3.1 m
Why Lake Dartmouth has no A–F grade
Lake Dartmouth 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 Dartmouth is a lake in VIC County, Australia.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-12-17. 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 Dartmouth
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 10.1 ft. Chlorophyll-a: 1.5 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.08 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 1.5 µg/L | Not graded |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lake Dartmouth
Compare lakeside cabins, hotels, and vacation rentals near Lake Dartmouth in VIC, 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 Dartmouth
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Fishing Lake Dartmouth
Frequently asked questions about Lake Dartmouth
What is the water quality of Lake Dartmouth?
- Lake Dartmouth in VIC, Australia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3.1 m visibility. Chlorophyll-a (algae): 1.5 µg/L.
Is Lake Dartmouth safe to swim in?
- Lake Dartmouth 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
10 measurements from 5 monitoring stations, 2020. 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-biooptical10 samples · 2020
Analytical methods
- CSIRO inland waters bio-optical (surface HPLC chlorophyll-a, Secchi)
Monitoring station identifiers (5)
DAR_01DAR_04DAR_02DAR_05DAR_03
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: 2020-12-17
Monitoring stations: 5