Segment revenues in ENR’s Top 200 Environmental Firms list represent revenue earned specifically in that market category, not a company’s total revenue repeated across segments.
The statistic was assembled using several editions of the report.Â
Citation formats
The Walsh Group wastewater treatment revenue worldwide 2018-2024
In 2024, The Walsh Group achieved wastewater treatment revenue of million U.S. dollars. This represents an increase from 2023, when the company generated million U.S. dollars in this segment.
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ENR. (October 14, 2024). The Walsh Group wastewater treatment revenue worldwide from 2018 to 2024 (in million U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1624290/the-walsh-group-global-wastewater-treatment-revenue/
ENR. "The Walsh Group wastewater treatment revenue worldwide from 2018 to 2024 (in million U.S. dollars)." Chart. October 14, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1624290/the-walsh-group-global-wastewater-treatment-revenue/
ENR. (2024). The Walsh Group wastewater treatment revenue worldwide from 2018 to 2024 (in million U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1624290/the-walsh-group-global-wastewater-treatment-revenue/
ENR. "The Walsh Group Wastewater Treatment Revenue Worldwide from 2018 to 2024 (in Million U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Oct 2024, /statistics/1624290/the-walsh-group-global-wastewater-treatment-revenue/
ENR, The Walsh Group wastewater treatment revenue worldwide from 2018 to 2024 (in million U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1624290/the-walsh-group-global-wastewater-treatment-revenue/ (last visited July 30, 2026)
The Walsh Group wastewater treatment revenue worldwide from 2018 to 2024 (in million U.S. dollars) [Graph], ENR, October 14, 2024. [Online]. Available: /statistics/1624290/the-walsh-group-global-wastewater-treatment-revenue/
