Page 9 - Summer-2024-BPU Connection-WQR

Monitored at Customer’s Tap Monitored June – Sept. 2023 1) the mandatory Disinfection Byproduct Testing for
BPU 90th Range Sites Haloacetic Acids (HAA) and Total Trihalomethanes
Surpassed (TTHM) during the third quarter of 2023 as required by
Standards Substance Units MCL MCLG Percentile Detected Over AL Likely Source
Copper ppm AL=1.3 1.3 0.480 0.073- 0 Corrosion of household Kansas Administrative Regulations. KCBPU monitors
1)
0.710 plumbing systems; erosion for HAA and TTHM four times per year. During
of natural deposits; leaching
from wood preservatives the third quarter, the sample submitted to a contracted
lab was received out of temperature compliance. The
Lead ppm AL=0.015 0 0.0075 <0.0005- 0 Corrosion of household
1)
0.0110 plumbing systems, erosion KCBPU was not properly notified of the temperature
of natural deposits violation by the contracted lab and the results were
* If present, elevated levels of lead can cause serious health problems, especially for pregnant women and young children. Lead in drinking water is primarily from submitted to KDHE. KCBPU did return to monitoring
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 hours, you can minimize the potential for lead exposure compliance prior to validation of the violation. KCBPU
by flushing your tap for 30 seconds to 2 minutes before using water for drinking or cooking. If you are concerned about lead in your water, you may wish to have your and the contracting lab have taken additional steps to
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. ensure this does not happen again in the future. Results
of regular monitoring are an indicator of whether our
Monitored in the Distribution System Monitored Jan. – Dec. 2023
drinking water meets health standards. No further action
BPU Average Highest Range
Surpassed Substance Units MCL MCLG Detected RAA Detected Likely Source is required for this violation.
Standards
Chloramines ppm 4.0 4.0 2.55 2.74 1.20-3.50 Water additive used to BPU’s Laboratory Services Division monitors
2)
control microbes the quality of the drinking water as it leaves the
Chlorite ppm 1.0 0.8 0.44 0.57 0.32-0.57 By-product of drinking water treatment plant and also at customers’ taps to assure
2)
disinfection that the water is safe to drink. Currently there are
HAA5 ppb 60 N/A 13 3) 14 0-21 By-product of drinking water
(Haloacetic Acids) disinfection 1,200 regular sampling sites distributed widely around
Total Coliform % Presence 0 0.68 N/A 0 – 2.2 Naturally present in the our community.
<5% of environment To produce the highest quality water for its
Samples
TTHM (Total ppb 80 N/A 22 23 0-37 By-product of drinking water customers, BPU subjects it to rigorous treatment to
3)
Trihalomethanes) chlorination assure that sediment, harmful bacteria, protozoan
parasites, and certain minerals are removed. BPU
Monitored at the Treatment Plant regularly tests its water using sophisticated equipment
Primary Drinking Water Contaminants Monitored Jan. – Dec. 2023 and scientifically advanced procedures.
BPU Average Range Are Cryptosporidium and Giardia
Surpassed
Standards Substance Units MCL MCLG Detected Detected Likely Source in my tap water?
Atrazine ppb 3 3 0.042 <0.05-0.110 Runoff from herbicide used
on row crops These organisms have never been found in BPU’s
Barium ppm 2 2 0.115 <0.002-0.190 Discharge of drilling wastes; treated water. BPU’s water treatment process uses
discharge from metal refineries; multiple barriers to prevent the risk of these protozoan
erosion of natural deposits
parasites being found in customer’s finished water.
4)
Beta/photon pCi/L 50 0 6.12 6.12 Decay of natural and
emitters man-made deposits Some people may be more vulnerable to contaminants
Chlorine ppb 800 800 110 <100 – 270 Water additive used to in drinking water than the general population. Immuno-
dioxide control microbes compromised persons such as individuals with cancer
Chlorite ppm 1.0 0.8 0.54 0.37 – 0.73 By-product of drinking water undergoing chemotherapy, persons who have undergone
2)
disinfection an organ transplant, people with HIV/AIDS or other
Cyanide ppm 0.2 0.2 <0.025 <0.025 Discharge from steel/metal immune system disorders, and some elderly persons and
factories; discharge from plastic
and fertilizer factories infants can be particularly at risk from infections. These
people should seek advice about drinking water from their
Fluoride ppm 4 4 0.78 0.73– 0.82 Erosion of natural deposits;
water additive which promotes health care providers.
strong teeth; discharge from
fertilizer and aluminum factories In addition, the Safe Drinking Water Hotline offers
guidelines from the EPA/Centers for Disease Control
Gross Alpha pCi/L 15 0 3.86 3.86 Erosion of natural deposits
emitters on appropriate means to lessen the risk of infection
Nitrate (as N) ppm 10 10 0.70 0.70 Runoff from fertilizer use; leaching by Cryptosporidium and other microbiological
from septic tanks, sewage; contaminants. For information, call EPA’s toll-free
erosion of natural deposits number at (800) 426-4791, or go to their Web site at
Radium 226 pCi/L 5 0 <1 <1 Erosion of natural deposits www.epa.gov/safewater.
Radium 228 pCi/L 5 0 <1 <1 Erosion of natural deposits
Selenium ppb 50 50 <5 <5 Erosion of natural deposits
1) BPU tap water has had very low levels of copper and lead. For this reason, KDHE
Total Organic ratio TT Removal N/A 2.00 1.00-2.77 Naturally present in the placed BPU on a reduced-monitoring frequency of once every three years. The data
5)
5)
Carbon ratio >1 environment presented in the report are from the most recent testing done in accordance with
the regulations.
Turbidity NTU TT=1.0 N/A 0.07 0.03-0.12 Soil runoff causes water 2) Annual Average
max TT<0.3 cloudiness by suspended 3) Running Annual Average
% 95% of 100% 100% matter 4) EPA considers 50 pCi/L to be the level of concern for beta particles.
the time 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
Uranium ppb 30 0 1.8 1.8 Erosion of natural deposits 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

SUMMER 2024 | 9