Lake Okareka
Lake Okareka in North Island, New Zealand has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 7.1 m visibility. Chlorophyll-a (algae): 2 µg/L.
- Clarity
- 7.1 m
Why Lake Okareka has no A–F grade
Lake Okareka in New Zealand 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: the GLORIA inland-lake matchup archive (PANGAEA 948492).
Lake Okareka is a lake in North Island County, New Zealand.
Source: the GLORIA inland-lake matchup archive (PANGAEA 948492) — not the EPA Water Quality Portal, last sampled 2017-05-02. 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 Okareka
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 23.1 ft down. Chlorophyll-a: 2 µg/L. Trophic State Index: 35.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.05 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 2 µg/L | Not graded |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lake Okareka
Compare lakeside cabins, hotels, and vacation rentals near Lake Okareka in North Island, New Zealand — 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 Okareka
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Fishing Lake Okareka
Frequently asked questions about Lake Okareka
What is the water quality of Lake Okareka?
- Lake Okareka in North Island, New Zealand has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 7.1 m visibility. Chlorophyll-a (algae): 2 µg/L.
Is Lake Okareka safe to swim in?
- Lake Okareka 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
4 measurements from 2 monitoring stations, 2017. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.
Collected and reported by
- GLORIA (PANGAEA 948492)
pangaea-gloria4 samples · 2017
Analytical methods
- PANGAEA GLORIA 2022 inland-lake chlorophyll-a and Secchi
Monitoring station identifiers (2)
GID_2315GID_2316
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.