Non-Transient Non-Community Water System · PWS WI1110447

Trienda Holdings LLC

Portage, Wisconsin 53901 - drinking water served from groundwater sources to 240 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

240
People served: 114
EPA violations: 5
Health-based: Untested
UCMR5 result

The verdict

EPA records 114 drinking-water violations at Trienda Holdings LLC, 4% of them health-based - above the Wisconsin per-system average.

114
Total EPA violations on record: 4%
Health-based (MCL / treatment failure): 240
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Trienda Holdings LLC

Trienda Holdings LLC is a private-owned non-transient non-community water system that delivers drinking water to 240 residents in Portage, Wisconsin (Columbia County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 114 total violations for this system , of which 5 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 109 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 Coliform (TCR), recorded in 15 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%).

Trienda Holdings LLC's 114 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

240

Total Violations

114

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Non-Transient Non-Community
Owner Type: Private
Connections: 1
County: Columbia
School/Daycare: No
MCL Violations: 5
Monitoring Violations: 109
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	15	2002
Coliform (TCR)	MCL	5	1996
trans-1,2-Dichloroethylene	MR	4	1997
1,2,4-Trichlorobenzene	MR	4	1997
Styrene	MR	4	1997
Toluene	MR	4	1997
Benzene	MR	4	1997
Trichloroethylene	MR	4	1997
Carbon tetrachloride	MR	4	1997
p-Dichlorobenzene	MR	4	1997
1,2-Dichloroethane	MR	4	1997
Xylenes, Total	MR	4	1997
1,1,1-Trichloroethane	MR	4	1997
CHLOROBENZENE	MR	4	1997
1,2-Dichloropropane	MR	4	1997
Tetrachloroethylene	MR	4	1997
Revised Total Coliform Rule	MON	4	2025
cis-1,2-Dichloroethylene	MR	4	1997
Vinyl chloride	MR	4	1997
o-Dichlorobenzene	MR	4	1997
DICHLOROMETHANE	MR	4	1997
Ethylbenzene	MR	4	1997
1,1-Dichloroethylene	MR	4	1997
1,1,2-Trichloroethane	MR	4	1997
1,2-DIBROMO-3-CHLOROPROPANE	MR	2	1995
ETHYLENE DIBROMIDE	MR	2	1995
Lead and Copper Rule	MR	2	2011

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 Trienda Holdings LLC.

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 WI1110447 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 Trienda Holdings LLC 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	4	SDWIS / WI1110447 / 8000
2011	Lead and Copper Rule	MR	2	SDWIS / WI1110447 / 5000
2002	Coliform (TCR)	MR	15	SDWIS / WI1110447 / 3100
1997	trans-1,2-Dichloroethylene	MR	4	SDWIS / WI1110447 / 2979
1997	1,2,4-Trichlorobenzene	MR	4	SDWIS / WI1110447 / 2378
1997	Styrene	MR	4	SDWIS / WI1110447 / 2996
1997	Toluene	MR	4	SDWIS / WI1110447 / 2991
1997	Benzene	MR	4	SDWIS / WI1110447 / 2990
1997	Trichloroethylene	MR	4	SDWIS / WI1110447 / 2984
1997	Carbon tetrachloride	MR	4	SDWIS / WI1110447 / 2982
1997	p-Dichlorobenzene	MR	4	SDWIS / WI1110447 / 2969
1997	1,2-Dichloroethane	MR	4	SDWIS / WI1110447 / 2980
1997	Xylenes, Total	MR	4	SDWIS / WI1110447 / 2955
1997	1,1,1-Trichloroethane	MR	4	SDWIS / WI1110447 / 2981
1997	CHLOROBENZENE	MR	4	SDWIS / WI1110447 / 2989

How Trienda Holdings LLC Compares

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

Metric	Trienda Holdings LLC	Wisconsin avg	Federal benchmark
Total violations	114	26	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	5	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	240	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 Trienda Holdings LLC water safe to drink? ▼

Trienda Holdings LLC (PWS ID: WI1110447) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 240 people using Groundwater sources.

How many people does Trienda Holdings LLC serve? ▼

Trienda Holdings LLC serves 240 people in Portage, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.

What type of violations does Trienda Holdings LLC have? ▼

Trienda Holdings LLC has 114 total violations: 5 health-based violations (MCL exceedances or treatment failures), 109 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Trienda Holdings LLC water? ▼

No PFAS testing data is available for Trienda Holdings LLC under the EPA's UCMR5 monitoring program.

What water source does Trienda Holdings LLC use? ▼

Trienda Holdings LLC 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.