Current through Register Vol. 56, No. 24, December 18, 2024
(a)
Except as provided in (b) and (c) below, all local agencies shall perform a
headworks analysis in order to develop local limits or demonstrate that local
limits are not necessary. The headworks analysis and, if necessary, development
of local limits shall:
1. Be conducted in
accordance with the Local Limits Development Guidance (July 2004, USEPA, Office
of Wastewater Management), incorporated by reference, including all supplements
and amendments thereto; and
2.
Ensure compliance with the following minimum environmental protection criteria:
i. The numerical effluent limitations in the
local agency's NJPDES permit;
ii.
The local agency's process inhibition and upset criteria;
iii. The local agency's worker health and
safety protection criteria;
iv. The
sludge quality criteria for a chosen method(s) of sludge management;
and
v. The limitations in the local
agency's Air Pollution Control permit, where applicable.
(b) In lieu of conducting a
complete headworks analysis, a local agency that operates a treatment works,
where the treatment works receives only domestic pollutants and the NJDPES
discharge permit for the treatment works does not include a water quality based
effluent limit for a heavy metal, shall sample the treatment works as follows:
1. Analyze the treatment works influent and
effluent at least once per permit term for those pollutants listed in N.J.A.C.
7:14A-4 Appendix A, Tables II and III, and molybdenum (Mo), ammonia (NH[LESS
THAN]3[GREATER THAN]), and phosphorus (P); and
2. Perform, at least once per permit term, a
pollutant scan on the sludge produced at the treatment works. This analysis
shall be completed on those parameters found in Appendix A, Tables I through VI
in the Sludge Quality Assurance Regulations, N.J.A.C. 7:14C, and any additional
pollutants regulated under the local agency's chosen sludge management method.
The sludge samples shall be collected to coincide with the influent and
effluent monitoring required in (b)1 above.
(c) A school or correctional facility, that
operates a treatment works, is exempt from conducting a headworks analysis
pursuant to (a) above, provided:
1. The
treatment works receives only domestic pollutants;
2. The treatment works receives only
wastewater generated by the operator; and
3. The NJPDES permit for the treatment works
does not include a water quality based effluent limit for a heavy
metal.
(d) Prior to
initiation of any headworks analysis and development of local limits under (a)
above, all delegated local agencies shall submit a work plan to the Department,
for review and approval with conditions if necessary, which outlines the tasks
and time frames in the development of a headworks analysis and local limits. At
a minimum, this plan shall include the parameters to be sampled, the sampling
locations within the treatment plant and the collection system, and a schematic
diagram of the treatment plant showing sampling locations.
(e) When proposing and adopting local limits,
all delegated local agencies shall comply with the public notice and hearing
requirements of
N.J.A.C.
7:14A-19.10(a).
(f) All delegated local agencies shall submit
a written technical evaluation of the need to revise local limits whenever:
1. There are any changes in the applicable
sludge quality criteria or effluent limitations, or there is a significant
change in the nature of indirect user contributions to the local agency's
influent; or
2. The local agency's
NJPDES permit has been renewed. This written technical evaluation shall be
submitted to the Department within six months after the effective date of the
renewed permit.
(g) The
written technical evaluation required to be submitted by delegated local
agencies under (f) above shall include the following:
1. A listing of all existing local limits and
the limiting factor by which each local limit was established;
2. The date that the existing local limits
were established;
3. A description
of any changes in Federal or State regulations, environmental protection
criteria, plant design, operational criteria, or any significant change in the
nature of industrial contributions which may require the reevaluation of local
limits through the completion of a headworks analysis;
4. A description of the local agency's
compliance history over the previous five years, with respect to compliance
with effluent limitations, sludge quality, plant inhibition or upset, and
worker health and safety;
5. A
listing of all parameters for which limits are established in the local
agency's renewed NJPDES permit; and
6. A statement from the local agency as to
whether or not local limits need to be revised based on the information
gathered under (g)1 through 5 above.
(h) The Department shall review the written
technical evaluation submitted by a delegated local agency under (f) above and,
if necessary, require the delegated local agency to revise the local limits in
accordance with (a) above.
