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Tap water quality report

Mo American Jefferson City District

EPA monitoring tested this supplier for 107 contaminants and detected 26. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

107
contaminants tested
26
detected
30,075
people served
0
health-based violations
Missouri rankingsLead in MissouriPFAS in Missouri
Water source
Surface water
Ownership
Private
Counties served
Cole

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

0
health-based violations
48
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30
MR Monitoring Resolved 1988-07-01 → 1988-09-30

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
Pfba 0.0072 µg/L 1/4 2024

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Bromodichloromethane
10.54 µg/L
No EPA limit set
worst single sample: 12.5 µg/L
147/147 SYR4 2012–2019
Chloroform
64.75 µg/L
No EPA limit set
worst single sample: 73.1 µg/L
147/147 SYR4 2012–2019
Dibromochloromethane
5.17 µg/L
No EPA limit set
worst single sample: 8.2 µg/L
147/147 SYR4 2012–2019
TTHM
75.095 µg/L 94%
of the EPA limit 80 µg/L
worst single sample: 86.7 µg/L
144/144 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
29.2 µg/L 49%
of the EPA limit 60 µg/L
worst single sample: 41.2 µg/L
144/144 SYR4 2012–2019
Dichloroacetic Acid
25.39 µg/L
No EPA limit set
worst single sample: 37.1 µg/L
142/144 SYR4 2012–2019
Trichloroacetic Acid
2.74 µg/L
No EPA limit set
worst single sample: 3.2 µg/L
133/144 SYR4 2012–2019
Dibromoacetic Acid
3 µg/L
No EPA limit set
worst single sample: 4.7 µg/L
87/144 SYR4 2012–2019
Monobromoacetic Acid
3.715 µg/L
No EPA limit set
worst single sample: 3.9 µg/L
38/144 SYR4 2012–2019
Bromoform
1.87 µg/L
No EPA limit set
worst single sample: 2.6 µg/L
34/147 SYR4 2012–2019
Copper
93.75 µg/L 7.2%
of the EPA limit 1300 µg/L
worst single sample: 126 µg/L
34/104 SYR4 2012–2019
Nitrate
3150.5 µg/L 32%
of the EPA limit 10000 µg/L
worst single sample: 3180 µg/L
22/22 SYR4 2012–2019
Fluoride
1030 µg/L 26%
of the EPA limit 4000 µg/L
worst single sample: 1040 µg/L
21/21 SYR4 2012–2019
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
 20/20 LCR 2025
Atrazine
0.7180 µg/L 24%
of the EPA limit 3 µg/L
worst single sample: 0.8200 µg/L
18/35 SYR4 2012–2019
Lead
5.3 µg/L 35%
of the EPA limit 15 µg/L
worst single sample: 6 µg/L
15/103 SYR4 2012–2019
Nitrate-Nitrite
2855.5 µg/L 29%
of the EPA limit 10000 µg/L
worst single sample: 3180 µg/L
12/12 SYR4 2012–2019
Chromium
5.985 µg/L 6%
of the EPA limit 100 µg/L
worst single sample: 9 µg/L
10/22 SYR4 2012–2019
2,4-D
0.7650 µg/L 1.1%
of the EPA limit 70 µg/L
worst single sample: 0.8000 µg/L
8/21 SYR4 2012–2019
Selenium
3 µg/L 6%
of the EPA limit 50 µg/L
 6/11 SYR4 2012–2019
Antimony, Total
0.5700 µg/L 9.5%
of the EPA limit 6 µg/L
worst single sample: 0.6000 µg/L
4/11 SYR4 2012–2019
Monochloroacetic Acid
4.8 µg/L
No EPA limit set
 4/144 SYR4 2012–2019
Lithium
92.7 µg/L
No EPA limit set
 4/4 UCMR-5 2024
Arsenic
1.03 µg/L 10%
of the EPA limit 10 µg/L
 1/11 SYR4 2012–2019
Barium
14.1 µg/L 0.7%
of the EPA limit 2000 µg/L
 1/11 SYR4 2012–2019
81 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaNitriteOxamylPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
WHEAT, CURTIS
Phone
573-634-3801
Email
[email protected]

Frequently asked questions about Mo American Jefferson City District

Is Mo American Jefferson City District tap water safe to drink?

EPA monitoring detected 26 contaminants in Mo American Jefferson City District's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Mo American Jefferson City District's water?

EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.

How many people does Mo American Jefferson City District serve?

Mo American Jefferson City District reports serving 30,075 people in Missouri, per its EPA record.

Has Mo American Jefferson City District had any water quality violations?

The EPA has 48 violations on file for Mo American Jefferson City District, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.