Need assistance uploading water quality data? EPA’s WQX Helpdesk can answer your questions about data submission and retrieval. If you have a basic question, the fastest way to get an answer is to chat via email WQX Helpdesk (wqx@epa.gov). You may also request an appointment by emailing wqx@epa.gov or calling the WQX Helpdesk 1-800-424-9067. (No appointment is needed for allowable domain values, services, or questions).
Recent Posts
- Washington’s CWA 303(c) revised designated uses and associated criteria – Ends May 1, 2026
- 2026 Air Curtain Incinerator, temporary use – CAA section 129 disaster response – Ends May 4, 2026
- Upcoming Proposal to Rescind the 2024 WQS Regulatory Revisions to Protect Tribal Reserved Rights – Ends April 21, 2026
- Proposed rulemaking process to address unreasonable risk for Formaldehyde (HCHO) – Ends May 25, 2026
- Region 10 Fiscal Year 2025 – 2026 Notice of Funding Opportunity (NOFO) Announcement
Recent Comments