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Community Water System · PWS WI4380411

Crivitz Waterworks

Crivitz, Wisconsin 54114 - drinking water served from groundwater sources to 1,026 people, tracked in EPA SDWIS and UCMR5.

1,026
People served
256
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 256 drinking-water violations at Crivitz Waterworks, 4% of them health-based - above the Wisconsin per-system average.

256
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
1,026
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Crivitz Waterworks

Crivitz Waterworks is a local-owned community water system that delivers drinking water to 1,026 residents in Crivitz, Wisconsin (Marinette County) through 592 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 256 total violations for this system , of which 9 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 241 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is 1,2,4-Trichlorobenzene, recorded in 9 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

Crivitz Waterworks's 256 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,026
Total Violations
256
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
592
County
Marinette
School/Daycare
No
MCL Violations
3
Monitoring Violations
241
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 9 2007
cis-1,2-Dichloroethylene MR 9 2007
DICHLOROMETHANE MR 9 2007
o-Dichlorobenzene MR 9 2007
Vinyl chloride MR 9 2007
Carbon tetrachloride MR 9 2007
1,2-Dichloropropane MR 9 2007
1,1,2-Trichloroethane MR 9 2007
CHLOROBENZENE MR 9 2007
Toluene MR 9 2007
Ethylbenzene MR 9 2007
Styrene MR 9 2007
1,1-Dichloroethylene MR 9 2007
trans-1,2-Dichloroethylene MR 9 2007
1,2-Dichloroethane MR 9 2007
1,1,1-Trichloroethane MR 9 2007
Tetrachloroethylene MR 9 2007
Coliform (TCR) MR 9 2015
Chlorine MR 9 2015
Xylenes, Total MR 9 2007
p-Dichlorobenzene MR 9 2007
Trichloroethylene MR 9 2007
Benzene MR 9 2007
Revised Total Coliform Rule MON 8 2025
Total Haloacetic Acids (HAA5) MR 6 2005
Groundwater Rule TT 6 2015
TTHM MR 6 2005
Gross Alpha, Excl. Radon and U MR 4 2010
Radium-228 MR 4 2010
Combined Radium (-226 and -228) MR 4 2010

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Crivitz Waterworks.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI4380411 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR, Drinking Water and Groundwater is the primacy agency that licenses and inspects Crivitz Waterworks under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Revised Total Coliform Rule MON 8 SDWIS / WI4380411 / 8000
2024 Lead and Copper Rule MR 2 SDWIS / WI4380411 / 5000
2015 Coliform (TCR) MR 9 SDWIS / WI4380411 / 3100
2015 Chlorine MR 9 SDWIS / WI4380411 / 0999
2015 Groundwater Rule TT 6 SDWIS / WI4380411 / 0700
2010 Gross Alpha, Excl. Radon and U MR 4 SDWIS / WI4380411 / 4000
2010 Radium-228 MR 4 SDWIS / WI4380411 / 4030
2010 Combined Radium (-226 and -228) MR 4 SDWIS / WI4380411 / 4010
2009 Public Notice Other 3 SDWIS / WI4380411 / 7500
2007 1,2,4-Trichlorobenzene MR 9 SDWIS / WI4380411 / 2378
2007 cis-1,2-Dichloroethylene MR 9 SDWIS / WI4380411 / 2380
2007 DICHLOROMETHANE MR 9 SDWIS / WI4380411 / 2964
2007 o-Dichlorobenzene MR 9 SDWIS / WI4380411 / 2968
2007 Vinyl chloride MR 9 SDWIS / WI4380411 / 2976
2007 Carbon tetrachloride MR 9 SDWIS / WI4380411 / 2982

How Crivitz Waterworks Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Crivitz Waterworks Wisconsin avg Federal benchmark
Total violations 256 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,026 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Crivitz Waterworks water safe to drink? ▼
Crivitz Waterworks (PWS ID: WI4380411) has 256 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,026 people using Groundwater sources.
How many people does Crivitz Waterworks serve? ▼
Crivitz Waterworks serves 1,026 people in Crivitz, Wisconsin. It is a Local-owned system using Groundwater water sources with 592 service connections.
What type of violations does Crivitz Waterworks have? ▼
Crivitz Waterworks has 256 total violations: 9 health-based violations (MCL exceedances or treatment failures), 241 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Crivitz Waterworks water? ▼
No PFAS testing data is available for Crivitz Waterworks under the EPA's UCMR5 monitoring program.
What water source does Crivitz Waterworks use? ▼
Crivitz Waterworks uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.