Public water system · IA1689401
ActiveHidden River Campgrounds
At a glance
Hidden River Campgrounds (PWSID IA1689401) is an active transient non-community water system in Cedar County, Iowa. It reports serving 101 people through 50 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
101
Service connections
50
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hidden River Campgrounds compare with other water systems in Cedar County?
By EPA's size categories, Hidden River Campgrounds is a very small system (500 people or fewer). Cedar County has 28 active public water systems. Its population served is well below the county average of 504 people per system, and accounts for 0.7% of the 14,112 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Hidden River Campgrounds is about 30% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Iowa has 626 active transient non-community water systems, 34% 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 Hidden River Campgrounds?
EPA lists Hidden River Campgrounds as privately owned. 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. 18 of the 28 active systems in Cedar County (64%) are also privately owned.
Does Hidden River Campgrounds have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2019. The violations listed here began between April 1993 and August 2019. By type: 5 contaminant level above the legal limit, 3 monitoring and reporting, 2 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2019-08-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-04-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2016-10-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-07-01 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2003-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The 12 most recent 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.
Hidden River Campgrounds: frequently asked questions
Who runs Hidden River Campgrounds?
Hidden River Campgrounds (PWSID IA1689401) is a transient non-community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Hidden River Campgrounds serve?
Hidden River Campgrounds reports serving 101 people through 50 service connections in Cedar County, Iowa.
Where does Hidden River Campgrounds 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 Hidden River Campgrounds have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2019. 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 Hidden River Campgrounds' 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. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2019. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find Hidden River Campgrounds' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hidden River Campgrounds is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Cedar County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tipton Water Supply | Cedar | 3,149 | Community | Groundwater |
| West Branch Water Works | Cedar | 2,509 | Community | Groundwater |
| Durant Water Supply | Cedar | 1,871 | Community | Groundwater |
| Clarence Water Supply | Cedar | 1,039 | Community | Groundwater |
| Mechanicsville Water Dept | Cedar | 1,020 | Community | Groundwater |
| Lowden Water Supply | Cedar | 807 | Community | Groundwater |
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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, “Hidden River Campgrounds, PWSID IA1689401, Iowa”, https://aquacensus.com/water-systems/iowa/hidden-river-campgrounds-ia1689401 (data as of October 1, 2026).