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Tap water quality report

Aqua Illinois-Vermilion County

EPA monitoring tested this supplier for 108 contaminants and detected 20. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

108
contaminants tested
20
detected
30,106
people served
109
health-based violations
Illinois rankingsLead in IllinoisPFAS in Illinois
Water source
Surface water
Ownership
Private
Counties served
Vermilion

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.

109
health-based violations
131
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2001-10-01 → 2001-10-31
TT Health-based Resolved 2001-10-01 → 2001-10-31
TT Health-based Resolved 2001-10-01 → 2001-10-31
MCL Health-based Resolved 2000-04-01 → 2000-06-30
MCL Health-based Resolved 2000-04-01 → 2000-06-30
MCL Health-based Resolved 2000-04-01 → 2000-06-30
MCL Health-based Resolved 1999-04-01 → 1999-06-30
MCL Health-based Resolved 1999-04-01 → 1999-06-30
MCL Health-based Resolved 1999-04-01 → 1999-06-30
MCL Health-based Resolved 1997-04-01 → 1997-06-30

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
Pfba 0.0073 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
7.93 µg/L
No EPA limit set
worst single sample: 9.78 µg/L
73/73 SYR4 2012–2019
Chloroform
46.74 µg/L
No EPA limit set
worst single sample: 50.82 µg/L
73/73 SYR4 2012–2019
TTHM
55.822 µg/L 70%
of the EPA limit 80 µg/L
worst single sample: 59.52 µg/L
73/73 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
29.96 µg/L 50%
of the EPA limit 60 µg/L
worst single sample: 32.5 µg/L
69/73 SYR4 2012–2019
Dibromochloromethane
3.47955 µg/L
No EPA limit set
worst single sample: 3.713 µg/L
68/73 SYR4 2012–2019
Nitrate
8795 µg/L 88%
of the EPA limit 10000 µg/L
worst single sample: 9300 µg/L
68/68 SYR4 2012–2019
Dichloroacetic Acid
21.4 µg/L
No EPA limit set
worst single sample: 25.7 µg/L
61/73 SYR4 2012–2019
Trichloroacetic Acid
7.215 µg/L
No EPA limit set
worst single sample: 8.4 µg/L
60/73 SYR4 2012–2019
Copper
54.7 µg/L 4.2%
of the EPA limit 1300 µg/L
worst single sample: 86 µg/L
52/60 SYR4 2014–2017
Lead
21 µg/L 140%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 31 µg/L
31/60 SYR4 2014–2017
Lead
0.0080 mg/L 53%
of the EPA limit 0.0150 mg/L
 18/18 LCR 2026
Barium
8.175 µg/L 0.4%
of the EPA limit 2000 µg/L
worst single sample: 8.7 µg/L
8/8 SYR4 2012–2019
Fluoride
969.25 µg/L 24%
of the EPA limit 4000 µg/L
worst single sample: 1020 µg/L
8/8 SYR4 2012–2019
Monobromoacetic Acid
6.272 µg/L
No EPA limit set
worst single sample: 6.33 µg/L
5/73 SYR4 2012–2019
Dibromoacetic Acid
1.795 µg/L
No EPA limit set
worst single sample: 1.9 µg/L
4/73 SYR4 2012–2019
Atrazine
2.751 µg/L 92%
of the EPA limit 3 µg/L
worst single sample: 3 µg/L
3/10 SYR4 2012–2019
Monochloroacetic Acid
3.975 µg/L
No EPA limit set
worst single sample: 4.09 µg/L
3/73 SYR4 2012–2019
Nitrate-Nitrite
7225 µg/L 72%
of the EPA limit 10000 µg/L
worst single sample: 7300 µg/L
2/2 SYR4 2015–2018
Combined Radium (-226 And -228)
0.9730 pCi/L 19%
of the EPA limit 5 pCi/L
 1/1 SYR4 2014
88 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-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaNitriteOxamylPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
MACK, JENNIFER
Phone
224-602-6779
Email
[email protected]

Frequently asked questions about Aqua Illinois-Vermilion County

Is Aqua Illinois-Vermilion County tap water safe to drink?

EPA monitoring detected 20 contaminants in Aqua Illinois-Vermilion County'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 Aqua Illinois-Vermilion County's water?

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

How many people does Aqua Illinois-Vermilion County serve?

Aqua Illinois-Vermilion County reports serving 30,106 people in Illinois, per its EPA record.

Has Aqua Illinois-Vermilion County had any water quality violations?

The EPA has 131 violations on file for Aqua Illinois-Vermilion County, of which 109 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.