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Non-Transient Non-Community Water System · PWS WI2522228

Blackhawk Corporate Center

Franksville, Wisconsin 53126-0246 - drinking water served from groundwater sources to 202 people, tracked in EPA SDWIS and UCMR5.

202
People served
483
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 483 drinking-water violations at Blackhawk Corporate Center - above the Wisconsin per-system average.

483
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
202
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Blackhawk Corporate Center

Blackhawk Corporate Center is a private-owned non-transient non-community water system that delivers drinking water to 202 residents in Franksville, Wisconsin (Racine County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 483 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 480 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 37 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%).

Blackhawk Corporate Center's 483 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
202
Total Violations
483
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
11
County
Racine
School/Daycare
No
MCL Violations
0
Monitoring Violations
480
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 37 2012
Lead and Copper Rule MR 19 2023
o-Dichlorobenzene MR 16 2003
trans-1,2-Dichloroethylene MR 16 2003
1,1-Dichloroethylene MR 16 2003
Toluene MR 16 2003
CHLOROBENZENE MR 16 2003
Tetrachloroethylene MR 16 2003
Trichloroethylene MR 16 2003
1,1,1-Trichloroethane MR 16 2003
1,2-Dichloroethane MR 16 2003
DICHLOROMETHANE MR 16 2003
cis-1,2-Dichloroethylene MR 16 2003
Benzene MR 16 2003
1,1,2-Trichloroethane MR 16 2003
Styrene MR 16 2003
Ethylbenzene MR 16 2003
Vinyl chloride MR 16 2003
Xylenes, Total MR 16 2003
1,2,4-Trichlorobenzene MR 16 2003
Carbon tetrachloride MR 16 2003
1,2-Dichloropropane MR 16 2003
p-Dichlorobenzene MR 16 2003
Nitrate MR 10 2000
Barium MR 6 1998
Cadmium MR 6 1998
Chromium MR 6 1998
Fluoride MR 6 1998
Mercury MR 6 1998
Nitrite MR 6 1998

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 Blackhawk Corporate Center.

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 WI2522228 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 Blackhawk Corporate Center 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
2023 Lead and Copper Rule MR 19 SDWIS / WI2522228 / 5000
2013 Public Notice Other 3 SDWIS / WI2522228 / 7500
2012 Coliform (TCR) MR 37 SDWIS / WI2522228 / 3100
2003 o-Dichlorobenzene MR 16 SDWIS / WI2522228 / 2968
2003 trans-1,2-Dichloroethylene MR 16 SDWIS / WI2522228 / 2979
2003 1,1-Dichloroethylene MR 16 SDWIS / WI2522228 / 2977
2003 Toluene MR 16 SDWIS / WI2522228 / 2991
2003 CHLOROBENZENE MR 16 SDWIS / WI2522228 / 2989
2003 Tetrachloroethylene MR 16 SDWIS / WI2522228 / 2987
2003 Trichloroethylene MR 16 SDWIS / WI2522228 / 2984
2003 1,1,1-Trichloroethane MR 16 SDWIS / WI2522228 / 2981
2003 1,2-Dichloroethane MR 16 SDWIS / WI2522228 / 2980
2003 DICHLOROMETHANE MR 16 SDWIS / WI2522228 / 2964
2003 cis-1,2-Dichloroethylene MR 16 SDWIS / WI2522228 / 2380
2003 Benzene MR 16 SDWIS / WI2522228 / 2990

How Blackhawk Corporate Center Compares

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

Metric Blackhawk Corporate Center Wisconsin avg Federal benchmark
Total violations 483 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 202 467 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 Blackhawk Corporate Center water safe to drink? ▼
Blackhawk Corporate Center (PWS ID: WI2522228) has 483 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 202 people using Groundwater sources.
How many people does Blackhawk Corporate Center serve? ▼
Blackhawk Corporate Center serves 202 people in Franksville, Wisconsin. It is a Private-owned system using Groundwater water sources with 11 service connections.
What type of violations does Blackhawk Corporate Center have? ▼
Blackhawk Corporate Center has 483 total violations: 0 health-based violations (MCL exceedances or treatment failures), 480 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Blackhawk Corporate Center water? ▼
No PFAS testing data is available for Blackhawk Corporate Center under the EPA's UCMR5 monitoring program.
What water source does Blackhawk Corporate Center use? ▼
Blackhawk Corporate Center uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.