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Wahapo Lake

South Island, New ZealandView mapDirections

GLORIA publishes the water-quality measurements for Wahapo Lake. Here is what has been measured.

Clarity
0.4 m
Murkier than most
Secchi · sampled 2020
Chlorophyll-a
4.7 µg/L
Typical for New Zealand
Measured by GLORIA
  • Limited data

Wahapo Lake in South Island, New Zealand has official water-quality measurements, shown as reported. Water clarity: 0.4 m visibility. Chlorophyll-a (algae): 4.7 µg/L.

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How Wahapo Lake is classified

Wahapo Lake in New Zealand is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity and algae (chlorophyll-a), but not phosphorus.

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the GLORIA inland-lake matchup archive (PANGAEA 948492).

Wahapo 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 2020-02-11. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Wahapo Lake is safe to swim in today is a call for the GLORIA inland-lake matchup archive (PANGAEA 948492) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Wahapo Lake

These are the measurements GLORIA publishes for Wahapo Lake. More on the source.

Very murky, less than 1.3 ft of visibility. Chlorophyll-a 4.7 µg/L. TSI 60.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.4mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorusNo reading

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)4.7µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.60Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Wahapo Lake

Answers come straight from the public measurements and survey records on this page.

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Stays near Wahapo Lake

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Fishing Wahapo Lake

Frequently asked questions about Wahapo Lake

Where is Wahapo Lake?

Wahapo Lake is a lake in South Island, New Zealand. This page reports official water-quality measurements, shown as reported.

What is the water quality of Wahapo Lake?

Wahapo Lake in South Island, New Zealand has official water-quality measurements, shown as reported. Water clarity: 0.4 m visibility. Chlorophyll-a (algae): 4.7 µg/L.

Measurements on this page ↑

Is Wahapo Lake safe to swim in?

Wahapo 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.

Swimming on this page ↑

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_2441

Authority classifications are shown as the authority published them. See where the data comes from and data sources.