Does Coldwater, MI tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 239 violation(s) across the community water systems serving Coldwater, of which 20 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Coldwater, MI tap water come from?

Coldwater is served by 5 active community water system(s). Their primary sources, per EPA records, are: groundwater, surface water.

Coldwater, MI Tap Water Quality — EPA Data

Here is what the EPA's own data shows about tap water in Coldwater. According to EPA SDWIS data retrieved June 2026, Coldwater is served by 5 active community water systems, together reported to serve about 14,461 people.

As of June 2026, EPA records show 239 violations across the community water system(s) serving Coldwater, going back to the earliest EPA record. 20 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

What the EPA has on record, by system

Coldwater

13,822 served · groundwater · PWSID MI0001500

Monitoring Chloride: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2021. All have since returned to compliance, per EPA records.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2021. All have since returned to compliance, per EPA records.

Pheasant Run Mhp

350 served · surface water · PWSID IL1670250

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

Lakeside Estates Subdivision

125 served · groundwater · PWSID MI0003742

Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in October 2023. All have since returned to compliance, per EPA records.
Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 3 times in July 2022. All have since returned to compliance, per EPA records.
Monitoring E. COLI: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2019. All have since returned to compliance, per EPA records.

Arbor View

100 served · groundwater · PWSID MI0004778

Health-based Groundwater Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in July 2011. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
Monitoring Nitrate: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2023. EPA records do not show all of these as returned to compliance.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 10 times between July 2011 and October 2022. All have since returned to compliance, per EPA records.
Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2022. EPA records do not show all of these as returned to compliance.
Monitoring Atrazine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring LASSO: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Heptachlor: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Heptachlor epoxide: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring 2,4-D: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring 2,4,5-TP: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring HEXACHLOROBENZENE: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Benzo(a)pyrene: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Pentachlorophenol: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Total Polychlorinated Biphenyls (PCB): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Chlordane: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Arsenic: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Barium: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Cadmium: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Chromium: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Mercury: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Nickel: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Antimony, Total: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Beryllium, Total: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Thallium, Total: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Selenium: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring CYANIDE: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Endrin: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring BHC-GAMMA: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Methoxychlor: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Toxaphene: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Di(2-ethylhexyl) adipate: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring OXAMYL: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Simazine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Di(2-ethylhexyl) phthalate: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Picloram: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Dinoseb: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Hexachlorocyclopentadiene: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Aldicarb sulfoxide: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Aldicarb sulfone: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Carbofuran: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring Aldicarb: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2021. EPA records do not show all of these as returned to compliance.
Monitoring E. COLI: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between June 2012 and July 2013. All have since returned to compliance, per EPA records.

Somerset Mobile Home Park

64 served · groundwater · PWSID MI0040076

Health-based Nitrate: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 17 times between June 2017 and September 2025. The EPA record for these does not include a measured level. EPA records do not show all of these as returned to compliance.
Health-based Groundwater Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 2 times in July 2025. The EPA record for these does not include a measured level. EPA records do not show all of these as returned to compliance.
Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 3 times in August 2018. All have since returned to compliance, per EPA records.
Monitoring Nitrate: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 3 times in August 2018. All have since returned to compliance, per EPA records.

Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.

Coldwater tap water, in plain English