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Hydrology Services Market Size, Share and Forecast 2026-2036

The global hydrology services market is worth USD 4.5 bn in 2026 and is forecast to reach USD 8.4 bn by 2036, growing at a 6.5% CAGR. United States is the largest country market and Monitoring and data collection is the largest by service segment.

USD 4.5 bnMarket size 2026
USD 8.4 bnForecast 2036
6.5%CAGR 2026-2036
United StatesLargest country

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5 segmentation views25 countries2026 to 2036 yearly forecast

Market overview

The global hydrology services market is worth USD 4.5 bn in 2026 and is forecast to reach USD 8.4 bn by 2036, growing at a 6.5% CAGR. United States is the largest country market and Monitoring and data collection is the largest by service segment.

ScopeProfessional services that measure, model and forecast surface and ground water, including stream gauging, flood modelling, water-resources studies and hydrological monitoring.
IndustryServices and Utilities
Value 2025USD 4.2 bn
Value 2026USD 4.5 bn
Value 2036USD 8.4 bn
CAGR 2026-20366.5%
Volume 202643,853 projects
Volume 203667,529 projects
Average price 2026USD 102,000 per project
Report priceStarts from USD 1,999
PublishedNovember 2026

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Hydrology Services market size and forecast, 2026-2036

Exhibit 1The global hydrology services market is forecast to grow from USD 4.5 bn in 2026 to USD 8.4 bn by 2036, a rise of 88%Global market value in USD: 2025 base year, 2026 estimate and forecast to 2036. CAGR 2026 to 2036: 6.5%
Hydrology Services market value, 2025 to 2036Market value by year. 2025: USD 4.2 bn; 2026: USD 4.5 bn; 2027: USD 4.8 bn; 2028: USD 5.1 bn; 2029: USD 5.4 bn; 2030: USD 5.8 bn; 2031: USD 6.1 bn; 2032: USD 6.5 bn; 2033: USD 7.0 bn; 2034: USD 7.4 bn; 2035: USD 7.9 bn; 2036: USD 8.4 bn. Compound annual growth rate 2026 to 2036: 6.5%.20254.5 bn20266.1 bn20318.4 bn20366.5% CAGR

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

YearMarket value
2026USD 4.5 bn
2027USD 4.8 bn
2028USD 5.1 bn
2029USD 5.4 bn
2030USD 5.8 bn
2031USD 6.1 bn
2032USD 6.5 bn
2033USD 7.0 bn
2034USD 7.4 bn
2035USD 7.9 bn
2036USD 8.4 bn

Hydrology Services market segmentation

By service

Exhibit 2Monitoring and data collection is the largest segment by service, with 34.0% of 2026 revenueEstimated share of 2026 global revenue, by service
Hydrology Services market share by service, 2026Share of 2026 revenue by service. Monitoring and data collection: 34.0%; Modelling and forecasting: 30.0%; Water resources and flood studies: 26.0%; Others: 10.0%.Monitoring and data collection34.0%Modelling and forecasting30.0%Water resources and flood studies26.0%Others10.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Monitoring and data collection34.0%32.4%USD 1.5 bn6.0%
Modelling and forecasting30.0%32.9%USD 1.3 bn7.5%
Water resources and flood studies26.0%26.0%USD 1.2 bn6.5%
Others10.0%8.7%USD 447 mn5.0%

By end use

Exhibit 3Government and agencies adds the most revenue by end use, growing from USD 2.0 bn in 2026 to USD 3.5 bn by 2036Estimated revenue in USD by end use, 2026 and 2036 forecast
Hydrology Services market by end use, 2026 and 2036Revenue by end use in 2026 and 2036. Government and agencies: USD 2.0 bn in 2026, USD 3.5 bn in 2036, change +79%; Agriculture and others: USD 984 mn in 2026, USD 2.0 bn in 2036, change +106%; Hydropower and energy: USD 805 mn in 2026, USD 1.6 bn in 2036, change +96%; Mining and industry: USD 716 mn in 2026, USD 1.3 bn in 2036, change +79%.20262036 forecastChangeGovernment and agencies+79%2.0 bn3.5 bnAgriculture and others+106%984 mn2.0 bnHydropower and energy+96%805 mn1.6 bnMining and industry+79%716 mn1.3 bn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Government and agencies44.0%41.9%USD 2.0 bn6.0%
Hydropower and energy18.0%18.8%USD 805 mn7.0%
Mining and industry16.0%15.2%USD 716 mn6.0%
Agriculture and others22.0%24.1%USD 984 mn7.5%

By data source

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
In-situ gauges and sensors44.0%38.0%USD 2.0 bn5.0%
Satellite and remote sensing27.0%33.0%USD 1.2 bn8.7%
Modelled and derived data29.0%29.0%USD 1.3 bn6.5%

By water system

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Rivers and streams38.0%35.0%USD 1.7 bn5.6%
Groundwater25.0%26.0%USD 1.1 bn6.9%
Lakes and reservoirs19.0%18.0%USD 850 mn5.9%
Coastal and estuaries18.0%21.0%USD 805 mn8.2%

By delivery model

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Project-based studies49.0%43.0%USD 2.2 bn5.1%
Long-term monitoring contracts33.0%34.0%USD 1.5 bn6.8%
Software and data subscriptions18.0%23.0%USD 805 mn9.1%

Top 25 countries for hydrology services by revenue

Countries are ranked by revenue earned from sales in the country, not by where the product is made. The ten largest hold 81.5% of 2026 revenue and the 25 countries below together hold 94.7%.

Exhibit 4United States is the largest country market at USD 1.2 bn in 2026, and the three largest countries hold 47.0% of global revenueEstimated 2026 revenue in USD and share of the global market, ten largest countries
Hydrology Services market, ten largest countries in 2026Ten largest countries by 2026 revenue. United States: USD 1.2 bn, 26.0%; China: USD 626 mn, 14.0%; United Kingdom: USD 313 mn, 7.0%; Germany: USD 268 mn, 6.0%; Netherlands: USD 224 mn, 5.0%; Australia: USD 224 mn, 5.0%; Canada: USD 224 mn, 5.0%; India: USD 224 mn, 5.0%; Japan: USD 201 mn, 4.5%; France: USD 179 mn, 4.0%.United States1.2 bn 26.0%China626 mn 14.0%United Kingdom313 mn 7.0%Germany268 mn 6.0%Netherlands224 mn 5.0%Australia224 mn 5.0%Canada224 mn 5.0%India224 mn 5.0%Japan201 mn 4.5%France179 mn 4.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

#CountryValue 2026Share 2026Value 2036CAGR 2026-36
1United StatesUSD 1.2 bn26.0%USD 2.1 bn6.0%
2ChinaUSD 626 mn14.0%USD 1.4 bn8.0%
3United KingdomUSD 313 mn7.0%USD 537 mn5.5%
4GermanyUSD 268 mn6.0%USD 462 mn5.6%
5NetherlandsUSD 224 mn5.0%USD 403 mn6.1%
6AustraliaUSD 224 mn5.0%USD 420 mn6.5%
7CanadaUSD 224 mn5.0%USD 403 mn6.1%
8IndiaUSD 224 mn5.0%USD 579 mn10.0%
9JapanUSD 201 mn4.5%USD 311 mn4.4%
10FranceUSD 179 mn4.0%USD 302 mn5.4%
11ItalyUSD 170 mn3.8%USD 313 mn6.3%
12SpainUSD 121 mn2.7%USD 224 mn6.3%
13BrazilUSD 87 mn1.9%USD 195 mn8.4%
14South KoreaUSD 62 mn1.4%USD 114 mn6.3%
15SwitzerlandUSD 44 mn1.0%USD 81 mn6.3%
16SwedenUSD 32 mn0.7%USD 58 mn6.2%
17NorwayUSD 22 mn0.5%USD 42 mn6.5%
18DenmarkUSD 16 mn0.4%USD 29 mn6.2%
19BelgiumUSD 12 mn0.3%USD 21 mn6.1%
20MexicoUSD 8.1 mn0.2%USD 18 mn8.7%
21South AfricaUSD 5.8 mn0.1%USD 11 mn6.5%
22AustriaUSD 4.0 mn0.09%USD 7.6 mn6.5%
23SingaporeUSD 3.1 mn0.07%USD 5.9 mn6.5%
24RussiaUSD 2.2 mn0.05%USD 3.4 mn4.2%
25New ZealandUSD 1.3 mn0.03%USD 2.5 mn6.5%
Rest of worldUSD 237 mn5.3%USD 418 mn5.8%
Exhibit 5United States and China account for 42% of the USD 3.9 bn the market is forecast to add by 2036Forecast revenue added between 2026 and 2036 by country, in USD
Hydrology Services market, where the growth to 2036 comes fromRevenue added between 2026 and 2036. Market value 2026: USD 4.5 bn. United States: +USD 919 mn; China: +USD 726 mn; India: +USD 356 mn; United Kingdom: +USD 224 mn; Australia: +USD 196 mn; 20 other countries: +USD 1.3 bn; Rest of world: +USD 181 mn. Market value 2036: USD 8.4 bn.Market value 20264.5 bnUnited States+919 mnChina+726 mnIndia+356 mnUnited Kingdom+224 mnAustralia+196 mn20 other countries+1.3 bnRest of world+181 mnMarket value 20368.4 bn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

Competitive landscape

Group 1: Global leaders

  • Jacobs
  • Stantec
  • Arcadis
  • Tetra Tech
  • Royal HaskoningDHV
  • AECOM
  • WSP
  • GHD

Group 2: Regional and specialist players

  • DHI
  • Deltares
  • Hatch
  • HR Wallingford
  • Mott MacDonald
  • CDM Smith
  • Aurecon

Group 3: Emerging and niche players

  • Kisters
  • In-Situ
  • Aquatic Informatics
  • Aquaveo

Research methodology

Every figure on this page comes from the research framework that we apply to all of the markets we cover. The 2025 base for the hydrology services market is built from the volume sold and the price that buyers pay, and is cross-checked against the size of the wider industry the market belongs to. Where a market can be sized in more than one way, the routes are compared before a figure is set.

The forecast runs year by year from the 2025 base to 2036. Growth in each year reflects demand from the industries that buy the product, adoption of new technology, pricing, regulation and replacement cycles. Volume and price are modelled together, so revenue in each year equals volume multiplied by average price. The 2026 to 2036 compound annual growth rate of 6.5% is calculated from the resulting values.

The market is divided by service, by end use, by data source, by water system, by delivery model. The 25 largest countries are ranked by revenue earned from sales to buyers in each country, not by where the product is made. Segment values and country values add up to the market total in every year, and every report is checked for consistency before it is published.

Companies are placed in three groups: global leaders, regional and specialist players, and emerging and niche players. The groups describe how companies compete in the market. They are not a ranking and they are not market shares.

Our analysts also carry out primary research. Customized reports add interviews with key opinion leaders, such as senior executives, technical specialists and buyers, to test the assumptions behind the numbers for the question being asked.

Read the full research methodology

Frequently asked questions

How big is the hydrology services market?

The global hydrology services market is estimated at USD 4.2 bn in 2025 and USD 4.5 bn in 2026.

How fast will the hydrology services market grow?

It is forecast to reach USD 8.4 bn by 2036, a compound annual growth rate of 6.5% from 2026, an increase of USD 3.9 bn.

Which country is the largest market for hydrology services?

United States is the largest market by revenue at USD 1.2 bn in 2026, 26.0% of the global total. The three largest countries together hold 47.0%.

Which country is growing fastest?

Among the ten largest markets, India is growing fastest at 10.0% a year from 2026 to 2036.

Which hydrology services segment is largest?

In the by service split, Monitoring and data collection is the largest segment with 34.0% of 2026 revenue.

Who are the leading hydrology services companies?

Global leaders include Jacobs, Stantec, Arcadis, Tetra Tech.

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