PWS ID: 00957 ---- WINSTON-DILLARD WATER DISTRICT
LRAAs and OELs

LRAA = Locational running annual average; OEL = Operational evaluation level. Learn about OELs here.
Averages are subject to change as new data is taken into consideration.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
2Q2020 Apr 06, 2020 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.062 0.051 0.058 0.062
2Q2020 Apr 06, 2020 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.040 0.032 0.060 0.060
 
1Q2020 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.050 0.043
1Q2020 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.037 0.049
 
4Q2019 Oct 08, 2019 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.052 0.061 0.047 0.055
4Q2019 Oct 08, 2019 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.036 0.038 0.052 0.062
 
3Q2019 Jul 08, 2019 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.055 0.053 0.045 0.042
3Q2019 Jul 08, 2019 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.038 0.039 0.044 0.046
 
2Q2019 Apr 09, 2019 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.054 0.043 0.042 0.042
2Q2019 Apr 09, 2019 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.030 0.030 0.038 0.043
 
1Q2019 Jan 08, 2019 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.055 0.057 0.045 0.042
1Q2019 Jan 08, 2019 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.031 0.033 0.036 0.035
 
4Q2018 Oct 11, 2018 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.054 0.067 0.045 0.050
4Q2018 Oct 11, 2018 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.028 0.036 0.034 0.038
 
3Q2018 Jul 09, 2018 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.053 0.051 0.044 0.041
3Q2018 Jul 09, 2018 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.026 0.022 0.032 0.029
 
2Q2018 Apr 04, 2018 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.048 0.043 0.044 0.047
2Q2018 Apr 04, 2018 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.032 0.026 0.034 0.034
 
1Q2018 Jan 10, 2018 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.048 0.048 0.042 0.041
1Q2018 Jan 10, 2018 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.029 0.030 0.032 0.031
 
4Q2017 Oct 04, 2017 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.047 0.060 0.043 0.046
4Q2017 Oct 04, 2017 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.029 0.035 0.033 0.034
 
3Q2017 Jul 12, 2017 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.047 0.041 0.039 0.039
3Q2017 Jul 12, 2017 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.035 0.031 0.030 0.032
 
2Q2017 Apr 10, 2017 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.048 0.042 0.037 0.041
2Q2017 Apr 10, 2017 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.030 0.027 0.027 0.028
 
1Q2017 Jan 12, 2017 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.052 0.046 0.039 0.036
1Q2017 Jan 12, 2017 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.031 0.030 0.025 0.027
 
4Q2016 Oct 07, 2016 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.051 0.065 0.038 0.037
4Q2016 Oct 07, 2016 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.030 0.044 0.023 0.024
 
3Q2016 Jul 12, 2016 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.044 0.046 0.036 0.036
3Q2016 Jul 12, 2016 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.026 0.021 0.024 0.022
 
2Q2016 Apr 13, 2016 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.047 0.042 0.038 0.043
2Q2016 Apr 13, 2016 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.030 0.023 0.025 0.024
 
1Q2016 Jan 12, 2016 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.043 0.040 0.032 0.034
1Q2016 Jan 12, 2016 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.030 0.028 0.028 0.024
 
4Q2015 Oct 06, 2015 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.044 0.049 0.030 0.029
4Q2015 Oct 06, 2015 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.031 0.040 0.028 0.031
 
3Q2015 Jul 07, 2015 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.059 0.049 0.036 0.032
3Q2015 Jul 07, 2015 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.040 0.029 0.029 0.027
 
2Q2015 Apr 23, 2015 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.066 0.051 0.033 0.034
2Q2015 Apr 23, 2015 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.048 0.035 0.029 0.031
 
1Q2015 Jan 16, 2015 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.070 0.064 0.045 0.034
1Q2015 Jan 16, 2015 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.050 0.047 0.031 0.025
 
4Q2014 Oct 07, 2014 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.080 0.090 0.049 0.051
4Q2014 Oct 07, 2014 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.053 0.068 0.037 0.035
 
3Q2014 Jul 15, 2014 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.083 0.077 0.050 0.042
3Q2014 Jul 15, 2014 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.047 0.048 0.043 0.034
 
2Q2014 Apr 14, 2014 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.060 0.073 0.044 0.063
2Q2014 Apr 14, 2014 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.030 0.037 0.037 0.048
 
1Q2014 Jan 22, 2014 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.046 0.025
1Q2014 Jan 22, 2014 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.023 0.026
 
4Q2013 Oct 29, 2013 2DBP-01 SM SITE #2 - WILLIS CREEK INTERSECTION 0.030 0.014
4Q2013 Oct 29, 2013 2DBP-02 SITE #5 - 13224 LOOKING GLASS 0.016 0.016
 



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