Discharging to impaired waters can require a higher level of responsibility from the discharging site, and these responsibilities must be fulfilled to remain in compliance. Follow the flowchart below to see if impaired waters monitoring applies to you.
Before using this flowchart, confirm that your facility satisfies the following criteria:
Prepared a Stormwater Pollution Prevention Plan (SWPPP) per the 2015 MSGP.
Submitted a Notice of Intent (NOI) and received word of acceptance from the EPA.
1Determine if your facility discharges to impaired waters using EPA’s ‘How’s My Waterway’ Tool http://watersgeo.epa.gov/mywaterway/
2 Existence of EPA Approved or Established TMDLs can be determined using the ‘How’s My Waterway’ tool.
3 In some cases, monitoring is required when TMDLs exist; however, EPA will notify dischargers of any monitoring requirements.
4 Determine if an EPA Approved analytical method exists by consulting EPA guidance at http://www3.epa.gov/region1/npdes/stormwater/assets/pdfs/MSGP2008Part624ParametersMA.pdf
CAPACCIO has also posted a You Tube video, which walks you through this process. The recording is posted at: https://youtu.be/uoD4tnJFMNs
For more information or assistance with your impaired waters monitoring, please contact Cristina Mendoza at 508) 970-0033 x128 or firstname.lastname@example.org.