Trends
207 days in this range.
AB2 SRT vs target days
SRT (spreadsheet)One-system SRTTarget
Gaps are more than a week with no reading, or the basin out of service. The spreadsheet averages an SRT per clarifier, each counting the whole basin; one-system counts the basin once against WAS 1 + 2.
AB3 SRT vs target days
SRTTarget
Gaps are more than a week with no reading, or the basin out of service.
AB4 SRT vs target days
SRTTarget
Gaps are more than a week with no reading, or the basin out of service.
MLSS mg/L
AB2AB3AB4
SSV30 mL/L
AB2AB3AB4
SVI, 7-day average mL/g
AB2AB3AB4
Each point averages that day and the 6 before it, which evens out day-to-day scatter in the settleometer. Daily SVI is on the History page.
WAS concentration mg/L
WAS 1 (AB2)WAS 2 (AB2)WAS 3 (AB3)WAS 4 (AB4)
WAS solids wasted lbs/day
AB2 (WAS 1 + 2)AB3AB4
WAS x yesterday's WAS flow x 8.34. AB2 adds its two clarifiers together.
Total gallons to waste gal/day
Total