Mapourika Lake
Mapourika Lake in South Island, New Zealand has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3.4 m visibility. Chlorophyll-a (algae): 2.9 µg/L.
- Clarity
- 3.4 m
Why Mapourika Lake has no A–F grade
Mapourika Lake 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).
Mapourika Lake is a lake in South Island County, New Zealand.
Source: the GLORIA inland-lake matchup archive (PANGAEA 948492) — not the EPA Water Quality Portal, last sampled 2020-02-10. Grade methodology: LakeGrade methodology.
Watch Mapourika Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Mapourika Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 11.2 ft. Chlorophyll-a: 2.9 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.4 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 2.9 µg/L | Not graded |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Mapourika Lake
Compare lakeside cabins, hotels, and vacation rentals near Mapourika Lake in South 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 Mapourika Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Mapourika Lake
Frequently asked questions about Mapourika Lake
What is the water quality of Mapourika Lake?
- Mapourika Lake in South Island, New Zealand has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3.4 m visibility. Chlorophyll-a (algae): 2.9 µg/L.
Is Mapourika Lake safe to swim in?
- Mapourika Lake 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.
Explore Mapourika Lake across LakeGrade
More lakes in New Zealand
Where this data comes from
2 measurements from 1 monitoring station, 2020. 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-gloria2 samples · 2020
Analytical methods
- PANGAEA GLORIA 2022 inland-lake chlorophyll-a and Secchi
Monitoring station identifiers (1)
GID_2440
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.