Public water system · IA3070078
ActiveSpirit Lake Waterworks
At a glance
Spirit Lake Waterworks (PWSID IA3070078) is an active community water system in Dickinson County, Iowa. It reports serving 6,167 people through 2,200 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; all are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,167
Service connections
2,200
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Spirit Lake Waterworks compare with other water systems in Dickinson County?
By EPA's size categories, Spirit Lake Waterworks is a medium system (3,301 to 10,000 people). Dickinson County has 14 active public water systems, and Spirit Lake Waterworks is the largest of them by population served. Its population served is about 6 times the county average of 1,028 people per system, and accounts for 43% of the 14,395 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 Spirit Lake Waterworks is roughly in line with 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 24 Iowa systems (1.3%) list surface water as their primary source.
Who owns and regulates Spirit Lake Waterworks?
EPA lists Spirit Lake Waterworks 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. 10 of the 14 active systems in Dickinson County (71%) are also owned by a local government.
Does Spirit Lake Waterworks have drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in October 2022. The violations listed here began between July 1994 and October 2022. By type: 3 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (2 of them). EPA lists 4 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2005-07-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2005-07-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 1994-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Spirit Lake Waterworks: frequently asked questions
Who runs Spirit Lake Waterworks?
Spirit Lake Waterworks (PWSID IA3070078) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Spirit Lake Waterworks serve?
Spirit Lake Waterworks reports serving 6,167 people through 2,200 service connections in Dickinson County, Iowa.
Where does Spirit Lake Waterworks get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Spirit Lake Waterworks have any drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in October 2022. 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 Spirit Lake Waterworks' 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 4 violations for this system; all are health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Spirit Lake Waterworks' water quality report?
As a community water system, Spirit Lake Waterworks 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 Dickinson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Milford Municipal Utilities | Dickinson | 3,431 | Community | Surface water |
| Lake Park Municipal Utilities | Dickinson | 1,167 | Community | Purchased groundwater |
| Arnolds Park Water Department | Dickinson | 1,113 | Community | Purchased surface water |
| Okoboji Water Supply | Dickinson | 776 | Community | Purchased surface water |
| Wahpeton Water Supply | Dickinson | 408 | Community | Surface water |
| Terril Municipal Waterworks | Dickinson | 334 | 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, “Spirit Lake Waterworks, PWSID IA3070078, Iowa”, https://aquacensus.com/water-systems/iowa/spirit-lake-waterworks-ia3070078 (data as of October 1, 2026).