Image Credits — ENV Water Chemistry Solutions

Six-guide library

The guide images in images/guides/ are resized, metadata-stripped WebP copies of supplied field photographs, presentation figures, and case material. Illustrated mechanisms are distinguished from measured case results in their captions. ENV field and presentation material is credited to Byran Fuhrmann / ENV Water Chemistry Solutions.

surface-aerator.webp: Rick Obst, CC BY 4.0 (source listed below as lake-aerator.webp).
constructed-wetland.webp: Taiwankengo, CC BY-SA 4.0 (source listed below as bioreactor-wetland.webp).
microcystis.webp: Zihao Wang, CC BY 4.0 (source listed below as cyano-microscope.webp).
satellite-lake.webp and its thumbnail: NASA Earth Observatory / Wanmei Liang, using USGS Landsat data; public domain.
geosmin-depth.webp and tonle-sap.webp: Byran Fuhrmann's CALMS article case material.

ENV field photography

Original photographs by Byran Fuhrmann / ENV Water Chemistry Solutions, alongside the service-page background imagery. Rights reserved.

algae-bloom-surface.webp
field-boat-survey.webp
field-sediment-core.webp
reservoir-dam.webp
sediment-water-interface.webp
turbid-inflow.webp

ENV presentation figures (blog figures)

Figures and charts from ENV presentations by Byran Fuhrmann / ENV Water Chemistry Solutions, used inside Insights posts. Rights reserved.

figures/sedP-fractionation-sample.webp
figures/seasonal-algae-dynamics.webp
figures/lake-cross-section.webp

Openly licensed (Wikimedia Commons)

alum-clearwater.webp — Clarity in the Beauty of Norther areas Pakistan.jpg — Zafar.thalvi — CC BY-SA 4.0
bioreactor-wetland.webp — 2021 Fu Zhou Constructed Wetland iii.jpg — Taiwankengo — CC BY-SA 4.0
cyano-microscope.webp — Microcystis aeruginosa 299022557.jpg — Zihao Wang — CC BY 4.0
lake-aerator.webp — Aerating Fountain at Virginia Lake in Reno, Nevada.jpg — Rick Obst — CC BY 4.0
sampling-sonde.webp — Scientists collecting water samples for analysis. (15012086289).jpg — U.S. Environmental Protection Agency (EPA Photo by Eric Vance) — Public domain
satellite-lake.webp — Lake Erie Blooms (153282).jpg — NASA Earth Observatory image by Wanmei Liang, using Landsat data from the U.S. Geological Survey — Public domain
treatment-boat.webp — Mechanical Weed Harvester in Minnesota.jpg — Aquarius Systems — CC BY-SA 4.0
treatment-plant-cell.webp — Aerated lagoon in Lumsden, SK, Canada.jpg — Dunn17 — CC BY-SA 4.0

ENV guide diagrams restored September 2026

Supplied ENV illustrations and presentation figures; conceptual diagrams are identified and qualified beside their use. Website SVG adaptations include standalone styling, wrapped labels and clarifying text.

reservoir-odor-sources.jpg — ENV supplied technical illustration.
source-water-processes.png — ENV supplied technical illustration.
oxygen-system-architectures.png — ENV supplied technical illustration.
lake-decline-feedback.jpg — ENV supplied technical illustration.
lake-recovery-feedback.jpg — ENV supplied technical illustration.
sampling-and-anoxia.svg — ENV supplied technical illustration.
treatment-order.svg — ENV supplied technical illustration.
buffering-and-aluminum.svg — ENV supplied technical illustration.
biomass-treatment-response.svg — ENV supplied technical illustration.
recurring-treatment-cost.svg — ENV supplied technical illustration.
sediment-fraction-types.png — ENV supplied figure (phosphorus fractions by sediment type).

Giving page

Project photographs in images/giving/ are supplied by Clean Water Help and used with its permission: DR Congo, Papua New Guinea, Cambodia, and Philippines project sites. The Clean Water Help logo is the organization's own mark.