Abstract[edit | edit source]

This page is intended to be a hub and portal on the subject of Total Suspended Solids. At this time it focuses on the Arcata marsh in Humboldt County California. It is intended for anyone interested in the subject. Anyone may add data, summit analysis or provide insight to the issues; however, please keep in mind that people of all educations are encouraged to participate in this page. Incomplete information or ideas need to get stated on occasion, so they can be discussed, corrected or developed.


Data[edit | edit source]

Explain Math

  • Concentration (C) measured in milligrams per liter (mg/l)
  • Mass (M) measured by the flow rate (Q) in millions of gallons per day (MG/day) times the C

INF vs Eff TSS 010102 091903 2 3.jpg

This is a small data set comparitively to the entire existance of the WWTF.

Is it repesentitive?

If so:

  • It shows that the enhancement wetlands are a vitial component to the functionality of the treatment system.

Question:

  • What causes the flucuations?

Enhancement TSS inf eff 2 3.jpg

How is it being measured?[edit | edit source]

Design Flow[edit | edit source]
  • Average: => Q = 2.3 MG/day
  • Wet Seassion: => Q = 5.9 MG/day

What are the permit limits?[edit | edit source]

Type Units Monthly Average Weekly Average Daily Average
Suspended Solids mg/L 30 45 60
lbs/day 575 863 1151

What are the violations and how are the fines figured?[edit | edit source]

Effluent Limitation Exceedances June 22, 2004 to March 31, 2007
Date Description of Violaton Reported Value Limits Violation Type Mandatory Minimun Penalty
11/30/04 Exceeded 30-day average TSS limit 34 mg/L 30 mg/L chronic -
12/31/04 Failed to achieve 85% removal of TSS 83% 85% chronic -
12/31/04 Exceeded 30-day average TSS limit 32 mg/L 30 mg/L chronic -
12/31/04 Exceeded 30-day average TSS limit 812 lbs/day 619 lbs/day chronic $3000
03/31/05 Exceeded 30-day average TSS limit 716 lbs/day 613 lbs/day chronic $3000
05/12/05 Exceeded Daily Maximum TSS 1276 lbs/day 1151 lbs/day chronic $3000
05/31/05 Exceeded 30-day average TSS limit 33 mg/L 30 mg/L chronic $3000
05/31/05 Failed to achieve 85% removal of TSS 79% 85% chronic $3000
05/31/05 Exceeded 30-day average TSS limit 707 lbs/day 575 lbs/day chronic $3000
12/01/05 Exceeded 7-day average TSS limit 2043 lbs/day 1877 lbs/day chronic $3000
01/31/06 Failed to achieve 85% removal of TSS 84% 85% chronic $3000
03/02/06 Exceeded 7-day average TSS limit 2821 lbs/day 2287 lbs/day chronic $3000
Total $54,000

Slide1.jpg

Cookies help us deliver our services. By using our services, you agree to our use of cookies.