Page 9 - 2023 Summer BPU Connection-WQR FINAL v10 PDF

Monitored at Customer’s Tap Monitored June – Sept. 2020 1)
monitors the physical, chemical and BPU 90th Range Sites
Surpassed Substance Units MCL MCLG Percentile Detected Over AL Likely Source
microbiological characteristics of Standards
1)
Copper ppm AL=1.3 1.3 0.490 0.042- 0 Corrosion of household
the utility’s water. In addition, the
0.900 plumbing systems; erosion
Operating Staff of the Nearman of natural deposits; leaching
Water Treatment Plant is state- from wood preservatives
1)
certified by KDHE. Lead ppm AL=0.015 0 0.0044 <0.0005- 0 Corrosion of household
0.0078 plumbing systems, erosion
During the 2022 calendar
of natural deposits
year, BPU is proud to have had no
* If present, elevated levels of lead can cause serious health problems, especially for pregnant women and young children. Lead in drinking water
violation(s) of any federal or state is primarily from materials and components associated with service lines and home plumbing. Your water system is responsible for providing high
quality drinking water, but cannot control the variety of materials used in plumbing components. When your water has been sitting for several
drinking water regulations. hours, you can minimize the potential for lead exposure by flushing your tap for 30 seconds to 2 minutes before using water for drinking or cooking.
BPU’s Laboratory Services If you are concerned about lead in your water, you may wish to have your water tested. Information on lead in drinking water, testing methods, and
steps you can take to minimize exposure is available from the Safe Drinking Water Hotline or at http://www.epa.gov/safewater/lead.
Division monitors the quality of
Monitored in the Distribution System Monitored Jan. – Dec. 2022
the drinking water as it leaves the
BPU Average Highest Range
treatment plant and also at customers’ Surpassed Substance Units MCL MCLG Detected RAA Detected Likely Source
Standards
taps to assure that the water is safe Chloramines ppm 4.0 4.0 2.58 2.84 1.20–3.60 Water additive used to
2)
to drink. Currently there are 1,200 control microbes
2)
regular sampling sites distributed Chlorite ppm 1.0 0.8 0.43 0.50 0.32-0.50 By-product of drinking water
disinfection
widely around our community.
HAA5 ppb 60 N/A 14 3) 14 7-21 By-product of drinking water
To produce the highest quality (Haloacetic Acids) disinfection
water for its customers, BPU subjects Total Coliform % Presence 0 1.35 N/A 0 – 4.9 Naturally present in the
it to rigorous treatment to assure that <5% of environment
Samples
sediment, harmful bacteria, protozoan
TTHM (Total ppb 80 N/A 32 34 21-45 By-product of drinking water
3)
parasites, and certain minerals are Trihalomethanes) chlorination
removed. BPU regularly tests its water
using sophisticated equipment and Monitored at the Treatment Plant
Primary Drinking Water Contaminants
scientifically advanced procedures. Monitored Jan. – Dec. 2022
BPU Average Range
Are Cryptosporidium Surpassed Substance Units MCL MCLG Detected Detected Likely Source
Standards
and Giardia in my Atrazine ppb 3 3 0.108 <0.05-0.430 Runoff from herbicide used
tap water? on row crops
Barium ppm 2 2 0.094 <0.002-0.140 Discharge of drilling wastes;
These organisms have never been
discharge from metal refineries;
found in BPU’s treated water. BPU’s erosion of natural deposits
water treatment process uses multiple
Beta/photon pCi/L 50 0 3.55 3.55 Decay of natural and
4)
barriers to prevent the risk of these emitters man-made deposits
protozoan parasites being found in Chlorine ppb 800 800 100 <100-280 Water additive used to
customer’s finished water. dioxide control microbes
2)
Chlorite ppm 1.0 0.8 0.52 0.40-0.65 By-product of drinking water
Some people may be more
disinfection
vulnerable to contaminants in
Cyanide ppb 200 200 <5 <5 Discharge from steel/metal
drinking water than the general factories; discharge from plastic
population. Immuno-compromised and fertilizer factories
persons such as individuals with Fluoride ppm 4 4 0.76 0.73-0.80 Erosion of natural deposits;
cancer undergoing chemotherapy, water additive which promotes
strong teeth; discharge from
persons who have undergone an organ fertilizer and aluminum factories
transplant, people with HIV/AIDS or Gross Alpha pCi/L 15 0 <3.0 <3.0 Erosion of natural deposits
other immune system disorders, and emitters
some elderly persons and infants can Nitrate (as N) ppm 10 10 0.65 0.65 Runoff from fertilizer use; leaching
be particularly at risk from infections. from septic tanks, sewage;
erosion of natural deposits
These people should seek advice about
Radium 226 pCi/L 5 0 <1 <1 Erosion of natural deposits
drinking water from their health care
Radium 228 pCi/L 5 0 <1 <1 Erosion of natural deposits
providers.
Selenium ppb 50 50 <5 <5 Erosion of natural deposits
In addition, the Safe Drinking
5)
5)
Water Hotline offers guidelines from Total Organic ratio TT Removal N/A 2.26 1.93-2.82 Naturally present in the
Carbon ratio >1 environment
the EPA/Centers for Disease Control
Turbidity NTU TT=1.0 N/A 0.07 0.03-0.12 Soil runoff causes water
on appropriate means to lessen the risk
max TT<0.3 cloudiness by suspended
of infection by Cryptosporidium and % 95% of 100% 100% matter
other microbiological contaminants. the time
For information, call EPA’s toll-free Uranium ppb 30 0 3.7 3.7 Erosion of natural deposits
number at (800) 426-4791, or go 1) BPU tap water has had very low levels of copper and lead. For this reason, KDHE placed BPU on a reduced-monitoring frequency of once every
to their Web site at www.epa.gov/ three years. The data presented in the report are from the most recent testing done in accordance with the regulations.
2) Annual Average
safewater. 3) Running Annual Average
4) EPA considers 50 pCi/L to be the level of concern for beta particles. SUMMER 2023 | 9
5) The monthly Total Organic Carbon (TOC) removal ratio is calculated as the ratio between the actual TOC removal and the TOC rule removal
requirements. The ratio shown is the average of the ratios for the 12 months of this reporting period.
Please Note: Because of sampling schedules, results may be older than 1 year