Velarion Records

EPA · discharge permits by pollutant and parameter

Discharge permits by pollutant and parameter

Every discharge permit that carries a numeric limit does so against a named parameter -- a pollutant such as lead or ammonia, or a property of the discharge itself such as temperature or pH. These pages group the current register by parameter: which permits carry a limit for it, where, and how many of those permits have a recorded exceedance on file.

By parameter

Every parameter this register publishes, most permits first: all 1,594. A parameter with fewer than three permits carrying a limit for it does not appear here or at the state and watershed level.

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