Surface Water Monitoring
The Monitoring Program is responsible for all surface water monitoring activities conducted by the Watershed Protection Program.
Program Responsibilities
Specific responsibilities include, but are not limited to: collection, analysis, and reporting of chemical, biological, and physical monitoring data in support of statewide water quality assessment and TMDL development efforts.
Additionally, the Monitoring Program conducts complaint investigations, offers technical support to local groups involved in water quality monitoring and watershed planning, and offers support to WYPDES compliance inspection staff.
Water quality designated uses protected in Wyoming waters: Agriculture, Fisheries, Industry, Drinking water, Recreation, Scenic value, Aquatic life other than fish, Wildlife, and Fish consumption.
2026 Surface Water Monitoring Plan
| NAME/EMAIL ADDRESS | PROGRAM | PHONE |
| David Waterstreet, Program Manager | Watershed Program | 307-777-6709 |
| Clean Water Act (CWA) Section 401 Certification and Turbidity Waivers | ||
| James Tarzon (Cheyenne) | CWA Section 401 Certification, Turbidity Waivers | 307-777-6701 |
| Data Quality Assurance and Quality Control (QA/QC) | ||
| Jennifer Pollard (Cheyenne) | Data QA/QC | 307-777-6372 |
| Surface Water Monitoring Program | ||
| Jeremy Zumberge, Program Supervisor (Sheridan) | Surface Water Monitoring Program | 307-675-5638 |
| Tavis Eddy (Lander) | Surface Water Monitoring Program | 307-335-6957 |
| Grant Wichman (Cheyenne) | Surface Water Monitoring Program | 307-777-6353 |
| Jason Martineau (Sheridan) | Surface Water Monitoring Program | 307-675-5632 |
| James Tarzon (Cheyenne) | Surface Water Monitoring Program | 307-777-6701 |
| Daniel Bryant (Sheridan) | Surface Water Monitoring Program | 307-675-5637 |
| Michael Wachtendonk (Lander) | Surface Water Monitoring Program | 307-335-6751 |
| Surface Water Quality Standards | ||
| Eric Hargett, Program Supervisor (Cheyenne) | Surface Water Quality Standards | 307-777-7079 |
| Rachel Eyres (Cheyenne) | Surface Water Quality -Standards, Harmful Cyanobacterial Blooms | 307-777-2073 |
| Jackson Akin (Cheyenne) | Surface Water Quality Standards, National Environmental Policy Act (NEPA) | 307-777-7050 |
| Total Maximum Daily Load (TMDL)/Assessment/ Nonpoint Source Pollution/Program | ||
| Ron Steg, Program Supervisor (Lander) | Total Maximum Daily Load (TMDL) | 307-335-6980 |
| Joanna Harter (Lander) | Total Maximum Daily Load (TMDL) | 307-335-6965 |
| Race Stryker (Cheyenne) | Nonpoint Source Program Coordinator | 307-777-6755 |
| Water Quality Lab | ||
| Steve Vien, Lab Supervisor (Cheyenne) | Water Quality Lab | 307-777-7654 |
| Rex Bagley (Cheyenne) | Water Quality Lab | 307-777-7151 |
| Amaryllis Briggs (Cheyenne) | Water Quality Lab | 307-777-6783 |
| Alexis Lester(Cheyenne) | Water Quality Lab | 307-777-3770 |

This page contains a variety of downloadable reports, assessments and other surveys conducted by the Watershed Protection Program on water sources throughout Wyoming.
If the download box is not working below, please click here.
Refer to the Interactive Map for water quality evaluation reports. Reports are linked to Fact Sheets for each assessed waterbody
This page contains a variety of downloadable Guidance procedures pertaining to the Watershed Protection Program.
If the download box is not working below, please click here.
Water quality data from Wyoming can be obtained from the Water Quality Exchange portal:
Click on the map below to access Wyoming’s Assessed Waters, Surface Water Monitoring Locations, and TMDL Map. This web map provides access to:
- summary information about each of Wyoming’s lakes and streams that have been assessed against Wyoming’s water quality standards,
- monitoring locations and links to data request portals,
- and watersheds for which TMDLs have been completed.
