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Important Reminders. Sampling dates change in November & December. Temperature change on the Percentile Range chart. Data and paperwork coming in on time. Take extra readings if the meter is still drifting. It’ll get cold soon.

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important reminders
Important Reminders
  • Sampling dates change in November & December.
  • Temperature change on the Percentile Range chart.
  • Data and paperwork coming in on time.
  • Take extra readings if the meter is still drifting. It’ll get cold soon.
  • When submitting data online, now use “Submit To Ken” button except in cases where there is more than one person entering data. Then save file between uses.
  • Carolyn Ross is the assistant to the Riverkeeper. She’ll be taking over most of the courier duties from the students.
  • Training today after the conference is over. It will be located across the street in room # 303.
  • Future of our current water quality meters
waccamaw river volunteer monitoring
Waccamaw River Volunteer Monitoring

Annual Data Conference

2011

topics
Topics
  • This past year
    • Drought to Blackwater
  • Using percentiles for site specific standards
  • New graph feature at the website
web resources
Web Resources

Data Entry

Data Retrieval

  • What sites are “hot”?
  • When are they “hot”?
  • Why?
dissolved oxygen
Dissolved Oxygen
  • Aquatic Sources
    • Atmosphere
    • Photosynthesis
  • Aquatic Sinks
    • Respiration
      • Animals
      • Microbes
        • Blackwater dissolved organic matter
        • Polluted runoff
        • Septage and sewage
questions
Questions
  • Which site has the lowest average oxygen level?
  • Do any geographic trends appear to be present?
  • Which sites have values below the WQS?
  • Which times of the year is oxygen lowest?
  • During which summer(s) were oxygen levels lowest?
is low do natural
Is low DO “natural”?

293+71

180+47

230+54

212+37

112+20

151+65

slide23
PT

BS

EP

WC

HG

SP

slide28
TDIN = nitrate + nitrite + ammonia

SC DHEC mean value for 1990-1994: 0.26 mg/L

SS for 2006 TDIN = 0.1 to 0.4 mg/L

WQS based on US EPA recommendations & national ammonia criteria

take home messages
Take home messages
  • Realizing the original intent
    • Trend analysis
    • Hot Spots and Illicit discharge detection
  • Timely
    • More stormwater pollution requirements
    • Less funding to SC DHEC

Turbidity TDIN E. coli

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