PlainWater
States05

NETT LAKE

PWS ID: 055294401 · NETT LAKE, 05 55772

NETT LAKE serves 386 people in NETT LAKE, 05 using Groundwater water sources. It has 527 recorded EPA violations, including 124 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NETT LAKE

NETT LAKE is a native american-owned community water system that delivers drinking water to 386 residents in NETT LAKE, 05 through 97 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 527 total violations for this system , of which 124 (24%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 380 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 Combined Radium (-226 and -228), recorded in 102 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 05, EPA tracks 113 public water systems serving 144,290 people, with 19,546 cumulative violations and 443 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 173 violations. NETT LAKE's 527 violations sit above the 05 average. Statewide, 5 of 13 UCMR5-tested systems have reported PFAS detections (38.5%). 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
386
Total Violations
527
Health-Based Violations
124
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
97
School/Daycare
No
MCL Violations
115
Monitoring Violations
380
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 102 2021
Coliform (TCR) MR 20 2007
Lead and Copper Rule MR 19 2023
Coliform (TCR) MCL 13 2014
BHC-GAMMA MR 6 2017
Methoxychlor MR 6 2017
Toxaphene MR 6 2017
Dalapon MR 6 2017
Diquat MR 6 2017
Endothall MR 6 2017
Simazine MR 6 2017
Hexachlorocyclopentadiene MR 6 2017
Carbofuran MR 6 2017
LASSO MR 6 2017
Heptachlor epoxide MR 6 2017
2,4-D MR 6 2017
2,4,5-TP MR 6 2017
HEXACHLOROBENZENE MR 6 2017
Benzo(a)pyrene MR 6 2017
Total Polychlorinated Biphenyls (PCB) MR 6 2017
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2017
ETHYLENE DIBROMIDE MR 6 2017
Dinoseb MR 6 2017
Glyphosate MR 6 2017
OXAMYL MR 6 2017
2,3,7,8-TCDD MR 6 2017
Heptachlor MR 6 2017
Pentachlorophenol MR 6 2017
Atrazine MR 6 2017
Picloram MR 6 2017

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 NETT LAKE.

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 055294401 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

05 Drinking Water Authority

05's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 05 regulator via EPA SDWIS

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 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / 055294401 / 5200
2025 Consumer Confidence Rule Other 2 SDWIS / 055294401 / 7000
2023 Lead and Copper Rule MR 19 SDWIS / 055294401 / 5000
2023 Chlorine MR 5 SDWIS / 055294401 / 0999
2023 Revised Total Coliform Rule RPT 4 SDWIS / 055294401 / 8000
2023 Revised Total Coliform Rule TT 4 SDWIS / 055294401 / 8000
2021 Combined Radium (-226 and -228) MCL 102 SDWIS / 055294401 / 4010
2019 Lead and Copper Rule TT 5 SDWIS / 055294401 / 5000
2019 Nitrate MR 4 SDWIS / 055294401 / 1040
2017 BHC-GAMMA MR 6 SDWIS / 055294401 / 2010
2017 Methoxychlor MR 6 SDWIS / 055294401 / 2015
2017 Toxaphene MR 6 SDWIS / 055294401 / 2020
2017 Dalapon MR 6 SDWIS / 055294401 / 2031
2017 Diquat MR 6 SDWIS / 055294401 / 2032
2017 Endothall MR 6 SDWIS / 055294401 / 2033

How NETT LAKE Compares

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

Metric NETT LAKE 05 avg Federal benchmark
Total violations 527 173 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 124 3.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 386 1,277 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 113 regulated public water systems in 05.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NETT LAKE water safe to drink?
NETT LAKE (PWS ID: 055294401) has 527 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 386 people using Groundwater sources.
How many people does NETT LAKE serve?
NETT LAKE serves 386 people in NETT LAKE, 05. It is a Native American-owned system using Groundwater water sources with 97 service connections.
What type of violations does NETT LAKE have?
NETT LAKE has 527 total violations: 124 health-based violations (MCL exceedances or treatment failures), 380 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NETT LAKE water?
No PFAS testing data is available for NETT LAKE under the EPA's UCMR5 monitoring program.
What water source does NETT LAKE use?
NETT LAKE 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial