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Indianapolis (IN5249004) & Morgan County (IN5255019) 2024 Water Quality Data

The chart below gives you a quick look at some of the substances that the EPA requires Citizens to test for. The contaminant is listed to the left, followed by the maximum amount allowed by regulations and then the amount that we found in our water. The tests are done on treated finished water (excluding those listed under “Untreated Source Water”). See Definitions of Terms for an explanation of terms used in this chart.

Citizens Energy Group—Indianapolis and Morgan County

Consumer Confidence Report Data 2024

REGULATED CONTAMINANTS (Sampled at Treatment Plants)
Contaminant MCLG (Goal) MCL (Limit) Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Atrazine (ppb) 3 ppb 3 ppb
(RAA)		 0.23 ppb 1.4 ppb ND - 1.4 ppb YES Runoff from herbicide used on row crops
Barium (ppm) 2 ppm 2 ppm 0.035 ppm 0.27 ppm 0.026 - 0.27 ppm YES Discharge of drilling wastes; Discharge from metal refineries; Erosion of natural deposits
Chromium (ppb) 100 ppb 100 ppb 1.3 ppb 2.8 ppb ND - 2.8 ppb YES Discharge from steel and pulp mills; Erosion of natural deposits
Fluoride (ppm) 4 ppm 4 ppm 0.62 ppm 0.95 ppm 0.094 - 0.95 ppm YES Erosion of natural deposits; Water additive which promotes strong teeth; Discharge from fertilizer and aluminum factories
Nitrate (ppm) 10 ppm 10 ppm 0.064 ppm 3.3 ppm ND - 3.3 ppm YES Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits
Simazine (ppb) 4 ppb 4 ppb BDL 0.41 ppb ND - 0.41 ppb YES Herbicide runoff
Contaminant TT Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Turbidity (NTU) 100% <1  NTU
95% <0.3 NTU		 0.046 NTU 0.30 NTU 0.020 - 0.30 NTU YES Soil runoff

SOURCE WATER QUALITY MONITORING (Prior to Treatment)
Contaminant TT Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Cryptosporidium (Untreated Water, org/10L) N/A 0.3 1 ND - 1 oocyst / 10 L N/A  
Giardia (Untreated Water, org/10L) N/A 33 183 ND - 183 oocysts / 10 L N/A  
TOC (Untreated Water, ppm) N/A 4.1 ppm 5.4 ppm 3.0 - 5.4 ppm N/A Naturally present in the environment

SECONDARY DRINKING WATER STANDARDS & UNREGULATED CONTAMINANTS (Sampled at Treatment Plant)

* Secondary standards are non-mandatory guidelines established by the EPA to assist utilities in managing drinking water for aesthetic considerations, such as taste, odor, and color. These contaminants are not considered to present a risk to human health at the SMCL.
Contaminant SMCL Average of All Samples Maximum of All Samples System Wide Range Possible Source
Aluminum (ppb) 200 ppb 88 ppb 230 ppb ND - 230 ppb Natural deposits; water treatment additive
Chloride (ppm) 250 ppm 75 ppm 215 ppm 22 - 215 ppm Natural deposits; water treatment additive
Hardness (ppm) N/A 292 ppm
17 grains/gal		 420 ppm
25 grains/gal		 149 - 420 ppm
8.7 - 25 grains/gal		 Erosion of natural deposits; leaching
Iron (ppm) 0.3 ppm 0.0043 ppm 0.15 ppm ND - 0.15 ppm Erosion of natural deposits; leaching
Metolachlor (ppb) N/A ND ND ND Herbicide runoff
Nickel (ppb) N/A 1.0 ppb 3.1 ppb ND - 3.1 ppb Erosion of natural deposits; leaching
Orthophosphate (ppm) N/A 0.22 ppm 2.4 ppm ND - 2.4 ppm Additve to prevent lead and copper leaching from plumbing
pH (Standard Units) 6.5 - 8.5 7.8 8.5 7.0 - 8.5  
Sodium (ppm) N/A 53 ppm 158 ppm 13 - 158 ppm Erosion of natural deposits; leaching
Sulfate (ppm) 250 ppm 47 ppm 190 ppm 8.1 - 190 ppm Erosion of natural deposits; leaching

Indianapolis

REGULATED CONTAMINANTS (Sampled in Distribution System)
Contaminant MRDLG MRDL Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Chloramines (measured as Total Chlorine) 4 ppm 4 ppm 2.0 ppm 2.9 ppm 0.12 - 2.9 ppm YES Water additive used to control microbes.
Contaminant MCLG (Goal) MCL (Limit) Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
E coli 0 1 ND ND ND YES Human and animal fecal waste
Total Coliforms N/A 5.0% 0.50% 1.3% 0% - 1.3% YES Naturally present in the environment
Cryptosporidium (org/10L) 0 org/10L TT N/A N/A No Organisms Found YES Removed during treatment
Giardia (org/10L) 0 org/10L TT N/A N/A No Organisms Found YES Removed during treatment
Combined Radium (-226 & -228) [2022 data] 0 5 pCi/L N/A 0.80 pCi/L ND - 0.80 pCi/L YES Erosion of natural deposits
Gross Alpha, Excl. Radon & Uranium [2022 data] 0 15 pCi/L N/A 2.0 pCi/L ND - 2.0 pCi/L YES Erosion of natural deposits
Contaminant MCL Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Total Trihalomethanes (TTHMs) 80 ppb
(LRAA)		 48 ppb 58 ppb
(LRAA)		 24 - 70 ppb YES By-product of drinking water disinfection
Haloacetic acids (HAA5) 60 ppb
(LRAA)		 34 ppb 42 ppb
(LRAA)		 17 - 50 ppb YES By-product of drinking water disinfection

REGULATED CONTAMINANTS (Sampled at Customer Tap)
Contaminant MCLG AL Sites Above AL 90th Percentile System Wide Range Compliance Achieved Possible Source
Copper (ppm) [2024 Data] 1.3 ppm 1.3 ppm
(90th percentile)		 0 of 66 0.20 ppm ND - 0.34 ppm YES Corrosion of customer plumbing systems, Erosion of natural deposits
Lead (ppb) [2024 Data] 0 ppb 15 ppb
(90th percentile)		 1 of 66 5.2 ppb ND - 150 ppb YES Corrosion of customer plumbing systems, Erosion of natural deposits
UNREGULATED CONTAMINANT MONITORING (UCMR 5) and IDEM VOLUNTARY MONITORING (Sampled at Treatment Plant)

EPA uses the Unregulated Contaminant Monitoring Rule (UCMR) to collect data for contaminants that are suspected to be present in drinking water and do not have health-based standards set under the Safe Drinking Water Act (SDWA).  Data below is representative of samples collected through EPA UCMR 5 monitoring and the IDEM PFAS Voluntary Monitoring Program.
Contaminant HBRV Average of All Samples Maximum of All Samples System Wide Range Possible Source
Perfluorobutanesulfonic acid (PFBS) 2000 ppt 0.21 ppt 3.8 ppt ND - 3.8 ppt Discharge from manufacturing and industrial chemical facilities, and certain firefighting activities. 
Perfluorobutanoic acid (PFBA) NA 0.34 ppt 4.8 ppt ND - 4.8 ppt Discharge from manufacturing and industrial chemical facilities, and certain firefighting activities. 
Perfluoropentanoic acid (PFPeA) NA 0.38 ppt 5.3 ppt ND - 5.3 ppt Discharge from manufacturing and industrial chemical facilities, and certain firefighting activities.
Tested for 25 other PFAS compounds.
No others were detected.		 NA ND ND ND Discharge from manufacturing and industrial chemical facilities, and certain firefighting activities.
Lithium NA ND ND ND Naturally present in the environment

Morgan County

REGULATED CONTAMINANTS (Sampled in Distribution System)
Contaminant MRDLG MRDL Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Chloramines (measured as Total Chlorine) 4 ppm 4 ppm 1.6 ppm 2.0 ppm 1.2 - 2.0 ppm YES Water additive used to control microbes.
Contaminant MCLG (Goal) MCL (Limit) Average of All Samples Maximum of All Samples System Wide Range Compliance Achieved Possible Source
Total Trihalomethanes (TTHMs) N/A 80 ppb 10 ppb
(1 sample)		 10 ppb
(1 sample)		 10 ppb
(1 sample)		 YES By-product of chlorination treatment
Haloacetic acids (HAA5) N/A 60 ppb 1.9 ppb
(1 sample)		 1.9 ppb
(1 sample)		 1.9 ppb
(1 sample)		 YES By-product of chlorination treatment
E coli 0 1 ND ND ND YES Human and animal fecal waste
Total Coliforms N/A 5.0% 0.69% 8.3%
(1 sample)		 0% - 8.3% YES Naturally present in the environment

REGULATED CONTAMINANTS (Sampled at Customer Tap)
Contaminant MCLG AL Sites Above AL 90th Percentile System Wide Range Compliance Achieved Possible Source
Copper (ppm)  [2024 Data] 1.3 ppm 1.3 ppm
(90th percentile)		 0 of 22 0.13 ppm ND - 0.18 ppm YES Corrosion of customer plumbing
Lead (ppb)  [2024 Data] 0 ppb 15 ppb
(90th percentile)		 0 of 22 1.1 ppb ND - 2.3 ppb YES Corrosion of customer plumbing

Note: The State requires us to monitor for certain contaminants less than once per year because the concentrations of these contaminants do not change frequently.  Some of our data, though accurate, is more than one year old. Some contaminants are sampled less frequently than once a year; as a result, not all contaminants were sampled for during the 2024 calendar year. If any of these contaminants were detected the last time they were sampled for, they are included in the table along with the date that the detection occurred. Compliance monitoring for lead and copper is required no less frequently than every three years. Radiochemical contaminant monitoring is conducted every three years.

Citizens collected samples under the EPA Unregulated Contaminants Monitoring Rule 5 (UCMR) for 29 PFAS compounds and Lithium. This monitoring is being conducted so EPA can receive occurrence data for these compounds to determine what additional compounds may need to be regulated in drinking water. Citizens collected samples in August and November 2023 and detected the compounds shown in this table. These compounds are not regulated at this time. If you would like to view our results, contact our office at 317-924-3311.

Citizens participated in the Indiana Department of Environmental Management (IDEM) voluntary monitoring program for PFAS compounds. Citizens collected samples from source and finished water from January through April 2023 and detected the compounds shown in this table. More information and full results can be found on IDEM’s website at www.in.gov/IDEM/PFAS/.

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