Is Storm Lake Water Treatment Plant Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Local government
Counties served: Buena Vista

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.

health-based violations

violations on file

still open

Violation	Type	Status	Period
MR	Monitoring	Resolved	2020-06-01 → 2020-06-30
MR	Monitoring	Resolved	2020-06-01 → 2020-06-30
MR	Monitoring	Resolved	2020-06-01 → 2020-06-30
MR	Monitoring	Resolved	2020-06-01 → 2020-06-30
MR	Monitoring	Resolved	2016-04-01 → 2016-06-30
MR	Monitoring	Resolved	2016-04-01 → 2016-06-30
MR	Monitoring	Resolved	2016-04-01 → 2016-06-30
MR	Monitoring	Resolved	2016-04-01 → 2016-06-30
MR	Monitoring	Resolved	2007-12-01 → 2007-12-31
MR	Monitoring	Resolved	2007-12-01 → 2007-12-31

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.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Chlorite	380.95 µg/L 38% of the EPA limit 1000 µg/L worst single sample: 399 µg/L	322/333	SYR4	2013–2019
Copper	68.425 µg/L 5.3% of the EPA limit 1300 µg/L worst single sample: 13900 µg/L	88/92	SYR4	2013–2019
Lead	5.96 µg/L 40% of the EPA limit 15 µg/L worst single sample: 16.8 µg/L	58/92	SYR4	2013–2019
Fluoride	840 µg/L 21% of the EPA limit 4000 µg/L worst single sample: 960 µg/L	45/45	SYR4	2013–2019
Nitrite	521 µg/L 52% of the EPA limit 1000 µg/L worst single sample: 842 µg/L	31/369	SYR4	2012–2019
Dichloroacetic Acid	2.241 µg/L No EPA limit set worst single sample: 2.26 µg/L	20/29	SYR4	2012–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	14/14	LCR	2025
Trichloroacetic Acid	1.025 µg/L No EPA limit set worst single sample: 1.06 µg/L	6/29	SYR4	2012–2019
Monochloroacetic Acid	3.6585 µg/L No EPA limit set worst single sample: 3.78 µg/L	4/29	SYR4	2012–2019
Total Haloacetic Acids (HAA5)	6.9675 µg/L 12% of the EPA limit 60 µg/L worst single sample: 7.14 µg/L	4/29	SYR4	2012–2019
Arsenic	3.504 µg/L 35% of the EPA limit 10 µg/L worst single sample: 3.52 µg/L	2/2	SYR4	2013–2016
Dibromoacetic Acid	0.5895 µg/L No EPA limit set worst single sample: 0.5900 µg/L	2/29	SYR4	2012–2019
Nitrate	242 µg/L 2.4% of the EPA limit 10000 µg/L	2/18	SYR4	2012–2019
Lithium	130 µg/L No EPA limit set	2/2	UCMR-5	2024
Barium	5.49 µg/L 0.3% of the EPA limit 2000 µg/L	1/1	SYR4	2013
Chloroform	11 µg/L No EPA limit set	1/29	SYR4	2012–2019

75 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAtrazineBenzeneBenzo(A)PyreneBromodichloromethaneBromoformChlorobenzeneCadmiumCarbon TetrachlorideChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromochloromethaneDinosebDiquatEthylbenzeneGlyphosateHfpo-DaLassoMercuryMonobromoacetic AcidNetfosaaNfdhaNmefosaaPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: STORM LAKE WATER TREATMENT PLANT
Phone: 712-291-2680
Email: [email protected]

Frequently asked questions about Storm Lake Water Treatment Plant

Is Storm Lake Water Treatment Plant tap water safe to drink?

EPA monitoring detected 16 contaminants in Storm Lake Water Treatment Plant'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 Storm Lake Water Treatment Plant's water?

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

How many people does Storm Lake Water Treatment Plant serve?

Storm Lake Water Treatment Plant reports serving 11,431 people in Iowa, per its EPA record.

Has Storm Lake Water Treatment Plant had any water quality violations?

The EPA has 17 violations on file for Storm Lake Water Treatment Plant, of which 0 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.