Public water system · IA6575052
ActiveSilver City Water Supply
At a glance
Silver City Water Supply (PWSID IA6575052) is an active community water system in Mills County, Iowa. It reports serving 245 people through 127 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in July 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
245
Service connections
127
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Silver City Water Supply compare with other water systems in Mills County?
By EPA's size categories, Silver City Water Supply is a very small system (500 people or fewer). Mills County has 17 active public water systems, and Silver City Water Supply is the 6th-largest of them by population served. Its population served is about half of the county average of 515 people per system, and accounts for 2.8% of the 8,756 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Silver City Water Supply is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Silver City Water Supply?
EPA lists Silver City Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 17 active systems in Mills County (35%) are also owned by a local government.
Does Silver City Water Supply have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in July 2012. The violations listed here began between October 1990 and July 2012. By type: 6 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2007-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2003-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Archived |
| 1993-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1990-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Silver City Water Supply: frequently asked questions
Who runs Silver City Water Supply?
Silver City Water Supply (PWSID IA6575052) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Silver City Water Supply serve?
Silver City Water Supply reports serving 245 people through 127 service connections in Mills County, Iowa.
Where does Silver City Water Supply get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Silver City Water Supply have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in July 2012. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Silver City Water Supply's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in July 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Silver City Water Supply's water quality report?
As a community water system, Silver City Water Supply must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Mills County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Glenwood Municipal Utilities | Mills | 5,449 | Community | Groundwater |
| Malvern Water Supply | Mills | 1,046 | Community | Groundwater |
| Emerson Water Department | Mills | 412 | Community | Groundwater |
| Switch | Mills | 285 | Non-transient non-community | Groundwater |
| St. John Luth. Church (Mineola) | Mills | 250 | Transient non-community | Groundwater |
| Romantix Inc. | Mills | 204 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Silver City Water Supply, PWSID IA6575052, Iowa”, https://aquacensus.com/water-systems/iowa/silver-city-water-supply-ia6575052 (data as of October 1, 2026).