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No Data Indicator (NODI) Codes – NYSDEC Usage Policy

  • 7 May 2021
  • ckearns

No Data Indicator (NODI) Codes, explain the reason(s) why sampling results are not available to be reported on the Discharge Monitoring Report (DMR). Common reasons why data may not be reported, include no discharge from an outfall, or a sampling issue. The New York State Department of Environmental Conservation (NYSDEC) has reviewed the current NODI codes and will accept only the NODI codes listed in the table below, on DMRs. When submitting the DMR, an explanation of why a NODI code was used, must be provided in the comments section on the DMR. Permit requirements related to submittal of reports of noncompliance still apply. NODI codes which do not appear in the table below, are not acceptable to be reported on a DMR. Use of a NODI code does not prevent the NYSDEC from pursuing enforcement for missing data. For NetDMR data entry step-by-step instructions visit the DEC website, and click the “How to Enter DMR Data in NetDMR” link on the right side of the page. 

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