N.J. Admin. Code § 7:14A-19.7 - Development of local limits by local agencies
(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
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.
Notes
See: 40 N.J.R. 1478(a), 41 N.J.R. 142(a).
In the introductory paragraph of (a), substituted "Except as provided in (b) and (c) below, all" for "All"; rewrote (a)1; added new (b) and (c); recodified former (b) through (f) as (d) through (h); in (f)2, substituted "has been renewed" for "renewal application is due" and inserted the last sentence; in the introductory paragraph of (g), inserted "to be submitted by delegated local agencies" and substituted "(f)" for "(d)"; in (g)4, deleted "and" from the end; added new (g)5, recodified former (g)5 as (g)6; in (g)6, substituted "(g)1" for "(e)1" and "5" for "4"; and in (h), inserted "by a delegated local agency", substituted "(f)" for "(d)" and inserted "delegated" following "require the".
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