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Tap water quality report

Jcpsd Summer Set

EPA monitoring tested this supplier for 69 contaminants and detected 8. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

69
contaminants tested
8
detected
1,080
people served
69
health-based violations
Missouri rankingsLead in MissouriPFAS in Missouri
Water source
Ground water
Ownership
Private
Counties served
Jefferson

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.

69
health-based violations
103
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2016-09-23
TT Health-based Resolved 2016-09-23
TT Health-based Resolved 2016-09-23
TT Health-based Resolved 2016-09-23
MCL Health-based Resolved 2014-12-01 → 2014-12-31
MCL Health-based Resolved 2014-12-01 → 2014-12-31
MCL Health-based Resolved 2014-12-01 → 2014-12-31
MCL Health-based Resolved 2014-12-01 → 2014-12-31
MCL Health-based Resolved 2008-11-01 → 2008-11-30
MCL Health-based Resolved 2008-11-01 → 2008-11-30

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Copper
164 µg/L 13%
of the EPA limit 1300 µg/L
 22/22 SYR4 2013–2019
Lead
3.89 µg/L 26%
of the EPA limit 15 µg/L
 17/22 SYR4 2013–2019
Lead
0.0016 mg/L 11%
of the EPA limit 0.0150 mg/L
 11/11 LCR 2025
Barium
107 µg/L 5.4%
of the EPA limit 2000 µg/L
 2/2 SYR4 2014–2017
Chromium
8.26 µg/L 8.3%
of the EPA limit 100 µg/L
 2/2 SYR4 2014–2017
Bromoform
0.5600 µg/L
No EPA limit set
 1/9 SYR4 2013–2019
Dichloroacetic Acid
3.37 µg/L
No EPA limit set
 1/7 SYR4 2013–2019
Xylenes, Total
2.53 µg/L 0%
of the EPA limit 10000 µg/L
 1/2 SYR4 2014–2017
61 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalArsenicAtrazineBhc-GammaBenzeneBeryllium, TotalBromodichloromethaneChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformDichloromethaneDalaponDibromoacetic AcidDibromochloromethaneDinosebEthylene DibromideEndrinEthylbenzeneFluorideHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitrate-NitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneTotal Haloacetic Acids (HAA5)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
BJORNSTAD, DOUGLAS
Phone
636-797-9900
Email
dbjornstad@jeffcopsd.org

Frequently asked questions about Jcpsd Summer Set

Is Jcpsd Summer Set tap water safe to drink?

EPA monitoring detected 8 contaminants in Jcpsd Summer Set'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 Jcpsd Summer Set's water?

EPA monitoring detected Copper, Lead, Lead, Barium, Chromium, and others. The full list with the level and data source for each is above.

How many people does Jcpsd Summer Set serve?

Jcpsd Summer Set reports serving 1,080 people in Missouri, per its EPA record.

Has Jcpsd Summer Set had any water quality violations?

The EPA has 103 violations on file for Jcpsd Summer Set, of which 69 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.