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Tap water quality report

Deer Valley Subdivision

EPA monitoring tested this supplier for 65 contaminants and detected 9. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

65
contaminants tested
9
detected
65
people served
0
health-based violations
Missouri rankingsLead in MissouriPFAS in Missouri
Water source
Ground water
Ownership
Private
Counties served
Lincoln

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
15
violations on file
1
still open
ViolationTypeStatusPeriod
MR Monitoring Unaddressed 2025-12-30
MON Monitoring Resolved 2024-12-01 → 2024-12-31
MON Monitoring Resolved 2024-12-01 → 2024-12-31
MON Monitoring Resolved 2024-12-01 → 2024-12-31
MON Monitoring Resolved 2024-12-01 → 2024-12-31
Other Monitoring Resolved 2019-07-01
Other Monitoring Resolved 2014-07-01
MR Monitoring Resolved 2011-12-01 → 2011-12-31
MR Monitoring Resolved 2011-12-01 → 2011-12-31
MR Monitoring Resolved 2011-12-01 → 2011-12-31

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 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
383 µg/L 29%
of the EPA limit 1300 µg/L
 22/22 SYR4 2012–2019
Nitrate-Nitrite
160 µg/L 1.6%
of the EPA limit 10000 µg/L
 16/16 SYR4 2012–2019
Lead
0.0016 mg/L 11%
of the EPA limit 0.0150 mg/L
 10/10 LCR 2025
Lead
3.98 µg/L 27%
of the EPA limit 15 µg/L
 9/22 SYR4 2012–2019
Combined Radium (-226 And -228)
3.4 pCi/L 68%
of the EPA limit 5 pCi/L
 6/6 SYR4 2012–2016
Gross Alpha, Excl. Radon And U
8.9 pCi/L 59%
of the EPA limit 15 pCi/L
 5/5 SYR4 2012–2013
Barium
82.7 µg/L 4.1%
of the EPA limit 2000 µg/L
 2/2 SYR4 2014–2017
Chromium
5.01 µg/L 5%
of the EPA limit 100 µg/L
 2/2 SYR4 2014–2017
Fluoride
1200 µg/L 30%
of the EPA limit 4000 µg/L
 2/2 SYR4 2014–2017
56 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, TotalBromodichloromethaneBromoformChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformCombined UraniumDichloromethaneDalaponDibromochloromethaneDinosebEthylene DibromideEndrinEthylbenzeneHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
KNIGHT, BRENDA

Frequently asked questions about Deer Valley Subdivision

Is Deer Valley Subdivision tap water safe to drink?

EPA monitoring detected 9 contaminants in Deer Valley Subdivision'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 Deer Valley Subdivision's water?

EPA monitoring detected Copper, Nitrate-Nitrite, Lead, Lead, Combined Radium (-226 And -228), and others. The full list with the level and data source for each is above.

How many people does Deer Valley Subdivision serve?

Deer Valley Subdivision reports serving 65 people in Missouri, per its EPA record.

Has Deer Valley Subdivision had any water quality violations?

The EPA has 15 violations on file for Deer Valley Subdivision, of which 0 are health-based (a contaminant limit or required treatment was breached) and 1 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.