No Data Indicator

{
  "id": "MLC-T-ENV-018690",
  "term": "No Data Indicator",
  "field": "Environment",
  "definition": "The unique code indicating why a DMR value was not submitted by the permittee during a monitoring period. These data are from ICIS-NPDES. code 1=Wrong Flow code; 2=Operation Shutdown; code 3=Special Report Attached; code 4=Discharge to Lagoon/Groundwater; code 5=Frozen Conditions; code 7=No Influent; code 8=Other (See Comments); code 9=Conditional Monitoring - Not Required This Period; code A=General Permit Exemption; code B=Below Detection Limit/No Detection; code C=No Discharge; code D=Lost Sample/Data Not Available; code E=Analysis Not Conducted/No Sample; code F=Insufficient Flow for Sampling; code G=Sampling Equipment Failure; code H=Invalid Test; code I=Land Applied; code J=Recycled - Water-Closed System; code K=Natural Disaster; code L=DMR Received but not Entered; code R=Administratively Resolved;code S=Fire Conditions; code V=Weather Related;code code W=Dry Lysimeter/Well; code Q=Not Quantifiable; code X=Parameter/Value Not Reported; code M=Laboratory Error; code N=Not Constructed; code Z=COVID-19",
  "abbreviation": "NODI",
  "subject": "Enforcement and compliance",
  "references": [
    "Glossary of Frequent Terms in the Loading Tool"
  ],
  "url": "https://mlchart.com/terminology/environment/no-data-indicator/"
}