Merri River Estuary: Site M2 Fonterra Floating Pontoon

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M2 Fonterra Floating Pontoon

Active Physico-Chemical The Esplanade

The floating pontoon at the end of the Esplanade, Warrnambool.

Turn right from the Princes Highway into the Esplanade before it crosses the Merri River. Follow the Esplanade until you reach the floating pontoon.

Land Use

Native Bushland
Recreational
Urban Industrial

Physical Chemical Tests

pH Top

Explain for me 17-11-2013 to 08-08-2026

Median
8.1pH units Latest
6.7pH units

pH Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
8.0pH units Latest
6.5pH units

Turbidity Top

Explain for me 17-11-2013 to 08-08-2026

Median
14NTU Latest
25NTU

Turbidity Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
14NTU Latest
40NTU

Water Temperature Top

Explain for me 17-11-2013 to 08-08-2026

Median
16.7° C Latest
9.8° C

Water Temperature Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
16.4° C Latest
9.8° C

Salinity Top

Explain for me 17-11-2013 to 08-08-2026

Median
1.200ppt Latest
1.600ppt

Salinity Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
1.300ppt Latest
1.600ppt

Dissolved Oxygen Top

Explain for me 17-11-2013 to 08-08-2026

Median
9.62mg/L Latest
8.75mg/L

Dissolved Oxygen Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
8.38mg/L Latest
7.08mg/L

Dissolved Oxygen Saturation Top

Explain for me 17-11-2013 to 08-08-2026

Median
99.05% Latest
64.90%

Dissolved Oxygen Saturation Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
85.70% Latest
62.30%

Conductivity Top

Explain for me 17-11-2013 to 08-08-2026

Median
2.404mS/cm Latest
2.971mS/cm

Conductivity Bottom

Explain for me 17-11-2013 to 08-08-2026

Median
2.425mS/cm Latest
3.019mS/cm

Water quality indicators for riverine and lagoon estuaries

(2021 to 2026) 63 observations Explain for me

Year	Surface water					Bottom water
	pH lower	pH upper	Turbidity	D.O.		pH lower	pH upper	Turbidity	D.O.
	pH	pH	NTU	% saturation		pH	pH	NTU	% saturation
	25th percentile	75th percentile	75th percentile	25th percentile		25th percentile	75th percentile	75th percentile	25th percentile
2021 to 2026	7.55 Good 63 observations	8.3 Moderate 63 observations	19 Moderate 63 observations	72.7 Poor 58 observations		7.7 Good 63 observations	8.3 Moderate 63 observations	22 Poor 63 observations	63.69 Moderate 58 observations
2026	7.1 Good 8 observations	7.6 Good 8 observations	25 Poor 8 observations	N/A 4 observations		6.95 Moderate 8 observations	7.75 Good 8 observations	35 Very Poor 8 observations	N/A 4 observations
2025	7 Good 11 observations	7.75 Good 11 observations	19.5 Moderate 11 observations	76.3 Moderate 11 observations		7 Good 11 observations	7.85 Good 11 observations	22 Poor 11 observations	53.9 Poor 11 observations
2024	8.05 Good 12 observations	8.35 Moderate 12 observations	25 Poor 12 observations	76.9 Moderate 12 observations		8.05 Good 12 observations	8.4 Moderate 12 observations	26 Very Poor 12 observations	71.1 Good 12 observations
2023	7.7 Good 11 observations	8.35 Moderate 11 observations	17.5 Moderate 11 observations	78.35 Moderate 11 observations		7.75 Good 11 observations	8.35 Moderate 11 observations	18.5 Poor 11 observations	71.75 Good 11 observations
2022	7.65 Good 10 observations	8.25 Moderate 10 observations	16 Moderate 10 observations	72.15 Poor 9 observations		7.7 Good 10 observations	8.25 Moderate 10 observations	17 Poor 10 observations	62.05 Moderate 9 observations
2021	7.8 Good 11 observations	8.3 Moderate 11 observations	15 Moderate 11 observations	60.25 Poor 11 observations		7.8 Good 11 observations	8.3 Moderate 11 observations	15 Moderate 11 observations	37.15 Poor 11 observations

View all observations

We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.

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