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Details on sampling and monitoring requirements of your industrial stormwater permit.

Countless bacteria can be found in land, water, humans, and animals. Most bacteria are beneficial, serving as food for larger organisms and playing critical roles in natural processes such as organic…

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.

The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.

A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.