Public water system · WI4050468

Active

Howard Waterworks

At a glance

Howard Waterworks (PWSID WI4050468) is an active community water system in Brown County, Wisconsin. It reports serving 21,133 people through 7,827 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

21,133

Service connections

7,827

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDWI4050468

System typeCommunity water system

Activity statusActive

Population served21,133

Service connections7,827

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyWI state drinking water program

City servedGreen Bay

StateWisconsin

ZIP—

CountyBrown County

How does Howard Waterworks compare with other water systems in Brown County?

By EPA's size categories, Howard Waterworks is a large system (10,001 to 100,000 people). Brown County has 148 active public water systems, and Howard Waterworks is the 3rd-largest of them by population served. Its population served is about 13 times the county average of 1,666 people per system, and accounts for 8.6% of the 246,537 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Howard Waterworks is about 3.2 times 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. Wisconsin has 1,053 active community water systems, 9.5% of the state's 11,056 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 43 Wisconsin systems (0.4%) list purchased surface water as their primary source.

Who owns and regulates Howard Waterworks?

EPA lists Howard Waterworks as owned by a local government. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 41 of the 148 active systems in Brown County (28%) are also owned by a local government.

Does Howard Waterworks have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. The violations listed here began between January 2001 and October 2024. By type: 6 public notice, recordkeeping or other, 3 contaminant level above the legal limit, 2 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Public Notice (3 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
2024-10-17	Required treatment not metLSL Inventory · code 2E	Lead and Copper Rule Revisionscode 5200	Yes	Resolved
2024-10-17	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-12-16	Required treatment not metFailure To Address Deficiency · code 45	Groundwater Rulecode 0700	Yes	Resolved
2019-02-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2019-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2011-10-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2011-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2008-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2005-12-12	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2005-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Arseniccode 1005	Yes	Resolved
2001-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2001-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Gross alpha (excluding radon and uranium)code 4000	Yes	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.

Howard Waterworks: frequently asked questions

Who runs Howard Waterworks?

Howard Waterworks (PWSID WI4050468) is a community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Howard Waterworks serve?

Howard Waterworks reports serving 21,133 people through 7,827 service connections in Brown County, Wisconsin.

Where does Howard Waterworks get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Howard Waterworks have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. 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 Howard 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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Howard Waterworks' water quality report?

As a community water system, Howard 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 Brown County

Water system	County	Population served	Type	Source
Green Bay Waterworks	Brown	107,369	Community	Surface water
De Pere Waterworks Sa 1	Brown	25,660	Community	Purchased surface water
Ashwaubenon Waterworks	Brown	17,730	Community	Purchased surface water
Bellevue Waterworks	Brown	16,715	Community	Purchased surface water
Allouez Waterworks	Brown	13,923	Community	Purchased surface water
Ledgeview Tn Sanitary Dist 2	Brown	7,602	Community	Purchased surface water

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, “Howard Waterworks, PWSID WI4050468, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/howard-waterworks-wi4050468 (data as of October 1, 2026).