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LakeQuality

Moeraki Lake

South Island, New ZealandView mapDirections

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

Clarity
2.6 m
Typical for New Zealand
Secchi · sampled 2020
Chlorophyll-a
0.6 µg/L
Less algae than most
Measured by GLORIA
  • Limited data

Moeraki Lake in South Island, New Zealand has official water-quality measurements, shown as reported. Water clarity: 2.6 m visibility. Chlorophyll-a (algae): 0.6 µg/L.

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How Moeraki Lake is classified

Moeraki 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).

Moeraki 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 2020-02-09. 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 Moeraki 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 Moeraki Lake

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

Moderate clarity, visible to about 8.5 ft. Chlorophyll-a 0.6 µg/L. TSI 36.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.6mMeasured, 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)0.6µg/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.36Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Moeraki Lake

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

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Stays near Moeraki Lake

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Fishing Moeraki Lake

Frequently asked questions about Moeraki Lake

Where is Moeraki Lake?

Moeraki 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 Moeraki Lake?

Moeraki Lake in South Island, New Zealand has official water-quality measurements, shown as reported. Water clarity: 2.6 m visibility. Chlorophyll-a (algae): 0.6 µg/L.

Measurements on this page ↑

Is Moeraki Lake safe to swim in?

Moeraki 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_2437

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