NC0003719_Worksheets_20230628 (2)

DAK AmericasOutfall 001
REASONABLE POTENTIAL ANALYSIS
NC0003719Qw = 0.5 MGD
2018 Generic RPA - 95% Probability/95% Confidence
MAXIMUM DATA POINTS = 58
0.50000.5000Grade IIGrade II
Qw (MGD) = Qw (MGD) = WWTP/WTP Class:WWTP/WTP Class:
636.38NO 1Q10s DATA0.12163445N/A
1Q10S (cfs) = 1Q10S (cfs) = IWC% @ 1Q10S = IWC% @ 1Q10S =
791.00NO 7Q10s DATA0.09788134N/A
7Q10S (cfs) = 7Q10S (cfs) = IWC% @ 7Q10S = IWC% @ 7Q10S =
791.00NO 7Q10w DATA0.09788134N/A
7Q10W (cfs) = 7Q10W (cfs) = IW%C @ 7Q10W = IW%C @ 7Q10W =
791.00NO 30Q2 DATA0.09788134N/A
30Q2 (cfs) = 30Q2 (cfs) = IWC% @ 30Q2 = IWC% @ 30Q2 =
Avg. Stream Flow, Avg. Stream Flow,
4340.004676.000.017853950.016571248
IWC% @ QA = IWC% @ QA =
QA (cfs) = QA (cfs) =
Cape Fear Cape Fear
CWS-IV
Receiving Stream:Receiving Stream:Stream Class:Stream Class:
River HUC River HUC
30300043030004
REASONABLE POTENTIAL RESULTS
NC STANDARDS OR EPA CRITERIA
PARAMETERRECOMMENDED ACTION
TYPE
n
Allowable Cw

ChronicApplied StandardAcute# Det.Max Pred Cw
PQL
UNITS
Acute:NO WQS
80HH(Qavg)1µg/L545415759.0
1,4-DioxaneC
Chronic:448,080.00
Less stringent than protection of
downstream water uses. Apply WS
No value > Allowable Cw
Acute:NO WQS
0.35WS(Qavg)1µg/L545415759.0
1,4-DioxaneC
Chronic:2,112.09
RP shown - apply limit with Monthly
Monitoring
No value > Allowable Cw
NC0003719_Worksheets_20230628 (2), rpa
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2/4/2024