POTW Nutrient Survey
Screener Questionnaire
Open Now!
EPA's voluntary screener questionnaire collecting basic information from U.S. secondary treatment facilities is now available. The initial collection completed on November 26, 2019. EPA is continuing to accept late submissions—please submit your surveys as soon as possible.
To respond to the online survey, please register your POTW using its NPDES ID at the link below:
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Questionnaire - Sample Copy (PDF) (36 pp, 744 K, About PDF)
Nutrient Survey Response Rate
We appreciate your participation
If you have any questions about this questionnaire, are unable to register your POTW, or need other assistance, please contact the EPA POTW Screener Questionnaire Helpline:
- Call 703-633-1696, or toll-free 877-353-7560
- Email: POTW_Help@erg.com