Welcome to the Open Data Portal of the Observatoire de l'Environnement
Explore our comprehensive collection of environmental datasets, providing valuable insights into Mauritius' ecological landscape. You can search for specific datasets or filter the information based on your preferred theme, ensuring that you find exactly what you need to support research, policy-making, and sustainable development initiatives.
Indicators can be visualized through charts/graphs, while others (e.g. Tables) are accessible for viewing only. Frequency of data coverage can vary.
Value added of agriculture at basic prices by main product group - Republic of Mauritius - since 2017
Source: Digest of Agriculture (2024), Table 3, Statistics Mauritius Table 3 - Value added of agriculture at basic prices by main product group - Republic of Mauritius, 2017- 2023; Indicators: Industrial crops; Sugar cane; Tea (green leaf); Food crops; Fruits, flowers & forestry; Livestock and poultry products; Fishing; Government services;
Vector-borne diseases - Mosquitoes - Number of cases - since 2000
Malaria; Chikungunya; Dengue
Volume of treated effluent from wastewater treatment plants used for irrigation since 2014 (Mm3)
Source: Digest of Environment, Table 54, Statistics Mauritius; 1 The volume of treated effluent for 2020 and 2021 has decreased as the St Martin Wastewater Treatment Plant could not release treated effluent for irrigation due to faulty sand filters 2 The volume of treated effluent in 2022 reflects to the amount supplied to Mont Choist Ltée only. During 2022, no treated effluent was supplied for irrigation by St. Martin Wastewater Treatment Plant due to ongoing refurbishment of sand filters.
Volume of wastewater treated by public treatment stations and by type of treatment (Mm3) - since 2001
Source1: HS Env, Table 1.14 - Volume of wastewater treated by public treatment stations and by type of treatment, SM; Source2: DoE, Table 65 -Volume of wastewater treated by public treatment stations and by type of treatment, SM); Primary Treatment: Fort Victoria (Montagne Jacquot) and Baie du Tombeau; Secondary Treatment: Pailles, Bois Marchand, Riviere du Rempart, Robinson, Vuillemin, Flacq and Dubreuil; Tertiary Treatment: Grand Bay and St. Martin;
Volume of wastewater treated, number and capacity of treatment plants since 2014
Source: Digest of Environment, Table 66, Statistics Mauritius;
Volume of water (Mm3) used for hydropower generation - since 2014
Source: DoEnv, Volume of water used by the Central Electricity Board for hydropower generation, 2014- 2023 - Table 56, SM;
Volume of water abstracted by Irrigation authority (m3)
Irrigation Authority Note: for the months of March and April 2021, the data has been disaggregated equally for the following: M1B1 - La Nicolier Reservoir; M1B2 - La Nicolier Reservoir; Labourdonais La Nicolier Reservoir; Cressonville - Borehole 1096; Total volume of water abstracted (m3)
Volume of water used by Irrigation Authority per project - 2022 monthly
Year 2022 (Monthly data) Source: Irrigation Authority
Waste recyclers and exporters in Mauriius
Source: Solid Waste Management Division, Min. of Environment, Solid Waste Management and Climate Change https://environment.govmu.org/Documents/SWMD/list%20of%20recyclers.pdf
Wastewater: Average volume of wastewater treated by station (2023)
Source: DoEnv, Table 68, SM;
Water balance - Island of Mauritius - since 1998
Source: Historical Series - Energy and Water Statistics, Statistics Mauritius (2024); Table 12 - Water balance, Island of Mauritius Rainfall (Precipitation) (Mm3); Total (Actual) Renewable Water Resources (A+B) (Mm3); Total (Actual) Renewable Water Resources: A. Surface Runoff (Mm3); Total (Actual) Renewable Water; B. Net Recharge to Groundwater(Mm3); Evapotranspiration (Mm3)
Water Consumption: Daily per capita domestic and potable water consumption, 2014– 2023
Source: DoEnv, Table 55 – Daily per capita domestic and potable water consumption, 2014– 2023, SM;
Water Quality: Guidelines for inland surface water quality (1998)
Inland surface water includes Water of river, watercourse, stream, lake, pond, dam or reservoir. Source: DoEnv, Table 35 - Guidelines for inland surface water 1 quality, 1998, SM; Lower limit at 250 degC.
Water sales by tariff of subscriber (Amount collectible - Rs 000) - Island of Mauritius - since 1998
Source: HS-En&W, Table 18 - Water sales by tariff of subscriber, SM; Source: Digest En&W, Table 41, SM;
Water sales by tariff of subscriber (Average sales price per m3) - Island of Mauritius - since 1998
Source: Digest En&W, Table 41 - Water sales by tariff of subscriber - Island of Mauritius, SM; HS En&W, Table 18, SM;
Water sales by tariff of subscriber (Number of Consumers) - Island of Mauritius - since 1998
Source: HS_En&W, Table 18 - Water sales by tariff of subscriber,, SM; Source: Digest En&W, Table 41 - Water sales by tariff of subscriber;
Water sales by tariff of subscriber (Volume of water sold) - Island of Mauritius - since 1998)
Source: HS Energy & Water Table 18, Statistics Mauritius; Source: Digest En&W, Table 41 - Water sales by tariff of subscriber;
Water Supply: Water supply (Mm3) by economic activity - since 2014
Source: DoEnv, Table 57- Water supply by economic activity 2014 - 2023, SM; Classified according to the National Standard Industrial Classification of All Economic Activities (NSIC) Rev. 4 Gross freshwater supplied by water supply industry Losses during transport Net freshwater supplied by water supply industry Domestic (Households) - Agriculture, forestry and fishing - Industrial (ex-Manufacturing) - Other economic activities
Water utilisation by sector or source, Island of Mauritius - since 2000
Source: Historical Series - Energy and Water Statistics, Table 13 - Water utilisation by sector/source, 2000 - 2023, Island of Mauritius, Statistics Mauritius (2024); Domestic, Industrial & tourism - Includes water from river run-off also used for Reduit hydropower station; Agricultural - Includes water from reservoirs also used for Tamarind Falls, Magenta and La Ferme hydropower stations; Hydropower - Includes water from river run-off also used at Le Val & then at Ferney hydropower stations, and water from reservoirs also used at Midlands and then at La Nicoliere;
Winds & Gusts - Monthly mean - Wind speed and Highest gusts at Plaisance - since 2005
Source1: DoE, Table 9 - Monthly mean wind speed 1 and highest gusts 2 at Plaisance aeronautical station, 2014 - 2023, SM; Source2: HS-Env, Table 1.7 - Monthly mean wind speed 1 and highest gusts 2 at Plaisance aeronautical station, 2007 - 2023, SM)
