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Using the Exchange Network One State ’ s Perspective. Deb Soule New Hampshire Department of Environmental Services NERACOOS/NECOSP Data Management Workshop, Sept. 26, 2012. NHDES and the EPA Exchange Network.

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Using the exchange network one state s perspective

Using the Exchange NetworkOne State’s Perspective

Deb Soule

New Hampshire Department of Environmental Services

NERACOOS/NECOSP Data Management Workshop, Sept. 26, 2012


Nhdes and the epa exchange network
NHDES and the EPA Exchange Network

  • Exchange Network is becoming the main way to give data to the EPA, other states, and stakeholders

  • Currently “flow” 6 flows:

    • Air quality (AQS), Beach advisories, Facility (FRS) data, RCRA (Hazardous waste generators), SDWIS (Drinking water), WQX (water quality exchange) are the regulated flows

    • ODPX (Ocean Data Partnership Exchange) is non-regulated

  • Anticipate adding other flows (UIC, Assessment data)

  • Funding/reporting requirements often drive flows


About our data
About our data

  • Data ranges across all divisions of the dept – air, waste, and water

  • Lots of monitoring data and regulatory data

  • Data updated according to program needs

  • Many programs have been collecting data for many years


How we manage our data
How we manage our data

  • Primarily use several relational databases (Oracle, FoxPro, or Access) some of which are linked but many are not

  • Metadata is a problem for us – particularly for our GIS data. No standard and no policy. Only have GCMD record for 1 database. This metadata was built after partnership workshop.

  • Can get some of our data from:

    • NHDES OneStop web site

    • EPA system web sites we contribute data to

    • Exchange Network

    • upon request


Data management successes
Data Management Successes

In terms of the Exchange Network…

  • With a few clicks of the mouse, able to create beach notification and WQX files, submit to the EPA, determine status, and update our internal databases with what data was sent.

  • We search for WQX data (using EPA WQX warehouse on-line form and now web services) from surrounding states to help in assessing waterbodies. Get data in a format we already know with adequate documentation, quickly, and with no cost.


Data management challenges
Data Management Challenges

  • Setting up flows takes a lot of time.

  • Flows change over time so continual updating needed.

  • Have to compete for limited IT resources – jury of your peers

  • Dept focus for next several years is to convert Oracle forms to .Net for many (30 +/-) databases. Very little new development anticipated.

  • Hardware constraints – no space or speed to run programs. Difficult to find test environments.


Take home points
Take home points

  • Standardization of data and ease to submit data (once flows are built)

  • Received a lot of money to set up these flows

  • Can take a lot of time to create the flows although things are getting easier (plug-ins)

  • Lots of security which is good and bad

  • Lot of data readily available from states/EPA web sites


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