Current through Register Vol. 49, No. 27, December 30, 2024
Subpart 1.
General.
A. It is the responsibility of every POTW
authority to control the contribution of industrial users that discharge to the
POTW plant to prevent interference or pass-through. Every POTW shall require
industrial users that discharge to the POTW plant to comply with the general
and specific prohibitions in part
7049.0140 and shall take
appropriate action in case of violations.
B. POTW authorities shall control the
contribution of their significant industrial users with control mechanisms,
such as agreements or permits, issued to individual significant industrial
users, except as provided in part
7049.0820, item C, subitem
(1).
Subp. 2.
Local limits.
A. In cases where
pollutants contributed by industrial users result in interference or
pass-through and the violation is likely to recur, the POTW authority shall
develop and enforce specific local effluent limits or best management practices
for industrial users and all other users, as appropriate, which, together with
appropriate changes in the POTW plant's facilities or operation, are necessary
to ensure renewed and continued compliance with the POTW's national pollutant
discharge elimination system permit or sludge use or disposal
practices.
B. Specific local
effluent limits must not be developed and enforced without individual notice to
persons or groups who have requested such notice and an opportunity to
respond.
Subp. 3.
Prohibited individual control mechanisms.
A POTW authority shall not knowingly enter into an agreement
with an industrial user or issue a permit to an industrial user that allows the
industrial user to discharge wastewater that would cause interference or
pass-through or cause a violation of part
7049.0140.
Subp. 4.
Revision of local
limits.
If an industrial user causes interference or pass-through
without violating the local limits imposed on them by the receiving POTW, so
that the affirmative defense of part
7049.0150 may be invoked, the
receiving POTW shall re-evaluate and revise relevant local limits to ensure
that they are adequately restrictive to protect against pass-through or
interference.
Statutory Authority: MS s
115.03
