Is Rimrock Road Neighborhood Tap Water Safe? Quality Report

Water source: GWP
Ownership: Local government
Counties served: Dane

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
Other	Monitoring	Unaddressed	2024-10-17
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2013-01-01 → 2013-12-31
MR	Monitoring	Resolved	2013-01-01 → 2013-12-31
MR	Monitoring	Resolved	2013-01-01 → 2013-12-31
MR	Monitoring	Resolved	2013-01-01 → 2013-12-31
MR	Monitoring	Resolved	2013-01-01 → 2013-12-31

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
Lead	0.0015 mg/L 10% of the EPA limit 0.0150 mg/L	12/12	LCR	2023
Copper	103.25 µg/L 7.9% of the EPA limit 1300 µg/L worst single sample: 110 µg/L	10/10	SYR4	2014–2017
TTHM	6.943 µg/L 8.7% of the EPA limit 80 µg/L worst single sample: 7.51 µg/L	7/7	SYR4	2012–2019
Dichloroacetic Acid	0.7670 µg/L No EPA limit set worst single sample: 0.7700 µg/L	4/7	SYR4	2012–2019
Total Haloacetic Acids (HAA5)	0.8465 µg/L 1.4% of the EPA limit 60 µg/L worst single sample: 0.8600 µg/L	4/7	SYR4	2012–2019
Lead	7.553 µg/L 50% of the EPA limit 15 µg/L worst single sample: 8.3 µg/L	3/10	SYR4	2014–2017
Bromodichloromethane	2.365 µg/L No EPA limit set worst single sample: 2.4 µg/L	2/7	SYR4	2012–2019
Chloroform	2.95 µg/L No EPA limit set worst single sample: 3 µg/L	2/7	SYR4	2012–2019
Dibromochloromethane	1.68 µg/L No EPA limit set worst single sample: 1.7 µg/L	2/7	SYR4	2012–2019
Bromoform	0.6200 µg/L No EPA limit set	1/7	SYR4	2012–2019
Dibromoacetic Acid	0.1400 µg/L No EPA limit set	1/7	SYR4	2012–2019

3 contaminants tested, none detected

Monobromoacetic AcidMonochloroacetic AcidTrichloroacetic Acid

Utility contact

Frequently asked questions about Rimrock Road Neighborhood

Is Rimrock Road Neighborhood tap water safe to drink?

EPA monitoring detected 11 contaminants in Rimrock Road Neighborhood'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 Rimrock Road Neighborhood's water?

EPA monitoring detected Lead, Copper, TTHM, Dichloroacetic Acid, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.

How many people does Rimrock Road Neighborhood serve?

Rimrock Road Neighborhood reports serving 135 people in Wisconsin, per its EPA record.

Has Rimrock Road Neighborhood had any water quality violations?

The EPA has 16 violations on file for Rimrock Road Neighborhood, of which 0 are health-based (a contaminant limit or required treatment was breached) and 4 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.