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Non-Compliance detail
Summary
Licence number:
1728
Annual Return Start:
01 Jul 2002
Annual Return End:
30 Jun 2003
Date Received:
28 Aug 2003
Licence Condition number
Type of non-compliance
EPA actions
No. of times occurred
1.4
Thirteen overflows of the reticulation system reached waterways in dry weather, due to blockages caused by tree roots, debris, fat buildup or broken structures.
N/A
N/A
3.2
95KL of effluent was released without full treatment due to the failure of the Uninterruptable Power Supply (UPS) on 9.8.02.
N/A
N/A
3.2
Biological by-pass allowed 95KL of partially disinfected effluent to be released on 4.11.02.
N/A
N/A
3.2
Biological by-pass allowed 9.95 ML to be released on 28.4.03. The effluent was fully disinfected but only partially treated.
N/A
N/A
3.2 & 3.4
Biological by-pass occured during extreme wet weather on 13.5.03. Not all flows were fully treated or disinfected.
N/A
N/A
3.2
Biological by-pass occured on 12.6.03 due to power failure occurred to the Prog Logic Controller (PLC). Effluent was partially treated but fully disinfected.
N/A
N/A
3.1
Effluent exceeded 3DGM of TSS limit on 15, 16 & 17 May 03 - 31.6 mg/L; the licence limit is 30 mg/L. Poor hydraulic configuration and scum accumulation at the secondary process may be the problem.
N/A
N/A
2.1
Sample collected at pt 3 instead of pt 17. Both pts are on the same line and next to each other. This occurred on 7 occassions.
N/A
N/A
2.1
Autosampler did not operate properly on 24.8.02 at pts 3 and 17.
N/A
N/A
5.1
Ongoing improvement and no deterioration from existing system performance could not be demonstrated, because of insufficient information on existing system performance in 1994 benchmark year.
N/A
N/A
5.2(c)
Comparison of wet weather overflow performance in reporting year with 1994 benchmark year performance not done, because 1994 benchmark year hydraulic sewer system model could not be developed / calibrated to accuracy required by the licence.
N/A
N/A
6.1
Comparison of wet weather STP overflow performance in reporting year with 1994 benchmark year performance not done, because 1994 benchmark year hydraulic sewer system model could not be developed / calibrated to accuracy required by the licence.
N/A
N/A
6.2
Comparison of wet weather STP overflow performance in reporting year with 1994 benchmark year performance not done, because 1994 benchmark year hydraulic sewer system model could not be developed / calibrated to accuracy required by the licence.
N/A
N/A