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Tap water quality report

Hilltop at Lake Weir

EPA monitoring tested this supplier for 68 contaminants and detected 13. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

68
contaminants tested
13
detected
595
people served
0
health-based violations
Missouri rankingsLead in MissouriPFAS in Missouri
Water source
Ground water
Ownership
Mixed public/private
Counties served
Marion

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
13
violations on file
3
still open
ViolationTypeStatusPeriod
Other Monitoring Unaddressed 2025-07-01
MON Monitoring Resolved 2024-06-01 → 2024-06-30
MON Monitoring Resolved 2024-06-01 → 2024-06-30
MR Monitoring Resolved 2024-06-01 → 2024-06-30
MR Monitoring Resolved 2024-06-01 → 2024-06-30
MR Monitoring Unaddressed 2024-04-01
Other Monitoring Unaddressed 2004-07-01
MR Monitoring Archived 2001-03-01 → 2001-03-31
MR Monitoring Archived 1998-01-01 → 1998-01-31
MR Monitoring Resolved 1994-01-01 → 1994-12-31

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 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
Nitrate
2770 µg/L 28%
of the EPA limit 10000 µg/L
 16/16 SYR4 2012–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 13/13 LCR 2024
Fluoride
100 µg/L 2.5%
of the EPA limit 4000 µg/L
 4/6 SYR4 2012–2018
Arsenic
0.5900 µg/L 5.9%
of the EPA limit 10 µg/L
worst single sample: 0.6000 µg/L
3/3 SYR4 2012–2018
Barium
5.89 µg/L 0.3%
of the EPA limit 2000 µg/L
worst single sample: 5.9 µg/L
3/3 SYR4 2012–2018
TTHM
1.231 µg/L 1.5%
of the EPA limit 80 µg/L
worst single sample: 1.26 µg/L
3/4 SYR4 2012–2018
Copper
1.285 µg/L 0.1%
of the EPA limit 1300 µg/L
worst single sample: 1.3 µg/L
2/3 SYR4 2012–2018
Chromium
1.1 µg/L 1.1%
of the EPA limit 100 µg/L
 2/3 SYR4 2012–2018
Total Haloacetic Acids (HAA5)
2.677 µg/L 4.5%
of the EPA limit 60 µg/L
worst single sample: 2.72 µg/L
2/4 SYR4 2012–2018
Antimony, Total
0.4000 µg/L 6.7%
of the EPA limit 6 µg/L
 1/3 SYR4 2012–2018
Lead
0.2000 µg/L 1.3%
of the EPA limit 15 µg/L
 1/3 SYR4 2012–2018
Selenium
1 µg/L 2%
of the EPA limit 50 µg/L
 1/3 SYR4 2012–2018
Thallium, Total
0.1000 µg/L 5%
of the EPA limit 2 µg/L
 1/3 SYR4 2012–2018
55 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-DAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
JOSIAH COX
Phone
314-736-4672

Frequently asked questions about Hilltop at Lake Weir

Is Hilltop at Lake Weir tap water safe to drink?

EPA monitoring detected 13 contaminants in Hilltop at Lake Weir'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 Hilltop at Lake Weir's water?

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

How many people does Hilltop at Lake Weir serve?

Hilltop at Lake Weir reports serving 595 people in Missouri, per its EPA record.

Has Hilltop at Lake Weir had any water quality violations?

The EPA has 13 violations on file for Hilltop at Lake Weir, of which 0 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.