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Contact Us about Nutrient Policy and Data

Report an environmental violation

Report a Violation

Report possible violations of environmental laws and regulations.

If you have questions or comments about EPA's data, tools, policies or other efforts related to reducing nutrient pollution in surface waters, please complete the form below

To learn more about our offices or to contact the relevant office directly, please refer to the About the Office of Water page.

Inquiries specific to groundwater and drinking water can be submitted to a technical specialist through an Ask a Question Box.

EPA Numeric Nutrient Criteria Coordinators

Region Name Number
Region 1 Toby Stover 617-918-1604
Region 2 Izabela Wojtenko 212-637-3814
Region 3 Katherine Bentley 215-814-5762
Region 4 Jamal Cooper
Lydia Mayo
404-562-9314

404-562-9247
Region 5 Micah Bennett 312-886-7946
Region 6 Mike Bira
Forrest John
214-665-6668

214-665-8368
Region 7 Steve Schaff 913-551-7447
Region 8 Tina Laidlaw 406-457-5016
Region 9 Matthew Bolt 415-972-3578
Region 10 Rochelle Labiosa 206-553-1172

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