Not enough data for a standalone page
Mellette County has fewer than 30 tests on record, so it doesn't meet our indexing gate. It appears as a row in the South Dakota county table instead.
No test data for Mellette County. See South Dakota state-level figures and EPA zone 2.
Mellette County has fewer than 30 tests on record, so it doesn't meet our indexing gate. It appears as a row in the South Dakota county table instead.