Skip to content
AquaCensus

Public water system · IA7633049

Active

Pocahontas Water Department

At a glance

Pocahontas Water Department (PWSID IA7633049) is an active community water system in Pocahontas County, Iowa. It reports serving 1,877 people through 966 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in November 2004.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,877

Service connections

966

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIA7633049
System typeCommunity water system
Activity statusActive
Population served1,877
Service connections966
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedPocahontas
StateIowa
ZIP—
CountyPocahontas County

How does Pocahontas Water Department compare with other water systems in Pocahontas County?

By EPA's size categories, Pocahontas Water Department is a small system (501 to 3,300 people). Pocahontas County has 12 active public water systems, and Pocahontas Water Department is the largest of them by population served. Its population served is about 4 times the county average of 472 people per system, and accounts for 33% of the 5,668 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 Pocahontas Water Department 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 Pocahontas Water Department?

EPA lists Pocahontas Water Department 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. 9 of the 12 active systems in Pocahontas County (75%) are also owned by a local government.

Does Pocahontas Water Department have drinking water violations?

EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in November 2004. The violations listed here began between August 1993 and November 2004. By type: 5 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 6 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.

BeganViolationContaminant or ruleHealth-basedStatus
2004-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitritecode 1041YesResolved
2004-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-02-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1993-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved

All 6 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.

Pocahontas Water Department: frequently asked questions

Who runs Pocahontas Water Department?

Pocahontas Water Department (PWSID IA7633049) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Pocahontas Water Department serve?

Pocahontas Water Department reports serving 1,877 people through 966 service connections in Pocahontas County, Iowa.

Where does Pocahontas Water Department 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 Pocahontas Water Department have any drinking water violations?

EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in November 2004. 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 Pocahontas Water Department'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 6 violations for this system; 5 are health-based, and the most recent began in November 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Pocahontas Water Department's water quality report?

As a community water system, Pocahontas Water Department 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 Pocahontas County

Water systemCountyPopulation servedTypeSource
Laurens Water SupplyPocahontas1,301CommunityGroundwater
Fonda Water SupplyPocahontas636CommunityGroundwater
Rolfe Water SupplyPocahontas509CommunityGroundwater
Gilmore City WaterworksPocahontas487CommunityGroundwater
Faith Community ChurchPocahontas300Transient non-communityGroundwater
Palmer Water SupplyPocahontas138CommunityGroundwater

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, “Pocahontas Water Department, PWSID IA7633049, Iowa”, https://aquacensus.com/water-systems/iowa/pocahontas-water-department-ia7633049 (data as of October 1, 2026).