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Tap water quality report

Limestone Utility

EPA monitoring tested this supplier for 29 contaminants and detected 7. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

29
contaminants tested
7
detected
308
people served
6
health-based violations
Missouri rankingsLead in MissouriPFAS in Missouri
Water source
Ground water
Ownership
Private
Counties served
Hardeman

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.

6
health-based violations
332
violations on file
3
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2010-11-01 → 2010-11-30
MCL Health-based Resolved 2010-11-01 → 2010-11-30
MCL Health-based Resolved 2010-11-01 → 2010-11-30
MCL Health-based Resolved 2010-10-01 → 2010-10-31
MCL Health-based Resolved 2010-10-01 → 2010-10-31
MCL Health-based Resolved 2010-10-01 → 2010-10-31
MR Monitoring Archived 2025-01-01 → 2025-12-31
MR Monitoring Archived 2025-01-01 → 2025-12-31
Other Monitoring Unaddressed 2023-03-10
MR Monitoring Resolved 2023-01-01 → 2023-03-31

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
TTHM
4.771 µg/L 6%
of the EPA limit 80 µg/L
worst single sample: 4.87 µg/L
10/16 SYR4 2014–2019
Lead
0.0046 mg/L 31%
of the EPA limit 0.0150 mg/L
 9/9 LCR 2025
Total Haloacetic Acids (HAA5)
1.9875 µg/L 3.3%
of the EPA limit 60 µg/L
worst single sample: 2 µg/L
6/16 SYR4 2014–2019
Xylenes, Total
3.1345 µg/L 0%
of the EPA limit 10000 µg/L
worst single sample: 3.2 µg/L
2/11 SYR4 2015–2019
Ethylbenzene
0.8040 µg/L 0.1%
of the EPA limit 700 µg/L
 1/11 SYR4 2015–2019
Gross Alpha, Excl. Radon And U
1.11 pCi/L 7.4%
of the EPA limit 15 pCi/L
 1/1 SYR4 2016
Vinyl Chloride
0.6800 µg/L 34%
of the EPA limit 2 µg/L
 1/11 SYR4 2015–2019
22 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneAtrazineBenzeneChlorobenzeneCarbon TetrachlorideDichloromethaneLassoNitratePicloramStyreneTetrachloroethyleneTolueneTrichloroethylenecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
JOHNSON, JOE
Phone
314-380-9498
Email
[email protected]

Frequently asked questions about Limestone Utility

Is Limestone Utility tap water safe to drink?

EPA monitoring detected 7 contaminants in Limestone Utility'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 Limestone Utility's water?

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

How many people does Limestone Utility serve?

Limestone Utility reports serving 308 people in Missouri, per its EPA record.

Has Limestone Utility had any water quality violations?

The EPA has 332 violations on file for Limestone Utility, of which 6 are health-based (a contaminant limit or required treatment was breached) and 3 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.