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States → EPA Region 2 — Tribal Water Systems

Non-Transient Non-Community Water System · PWS 020000015

Tuscarora Nation School

Sanborn, EPA Region 2 — Tribal Water Systems 14132 - drinking water served from groundwater sources to 175 people, tracked in EPA SDWIS and UCMR5.

175
People served
34
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 34 drinking-water violations at Tuscarora Nation School, 9% of them health-based.

34
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
175
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Tuscarora Nation School

Tuscarora Nation School is a native american-owned non-transient non-community water system that delivers drinking water to 175 residents in Sanborn, EPA Region 2 — Tribal Water Systems through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 34 total violations for this system , of which 3 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 18 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 Revised Total Coliform Rule, recorded in 8 violations (RPT). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 2 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
175
Total Violations
34
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
1
School/Daycare
Yes
MCL Violations
2
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 8 2024
Revised Total Coliform Rule MON 7 2025
Total Haloacetic Acids (HAA5) MR 2 2024
TTHM MR 2 2024
Chlorine MR 2 2025
Coliform (TCR) MCL 2 2010
E. COLI MR 2 2016
Nitrate MR 1 2024
Nitrite MR 1 2024
Chlorine MRDL 1 2011
Lead and Copper Rule MR 1 2024

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 Tuscarora Nation School.

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 020000015 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 2 — Tribal Water Systems Drinking Water Authority

EPA Region 2 — Tribal Water Systems'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 02 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 Revised Total Coliform Rule MON 7 SDWIS / 020000015 / 8000
2025 Chlorine MR 2 SDWIS / 020000015 / 0999
2024 Revised Total Coliform Rule RPT 8 SDWIS / 020000015 / 8000
2024 Total Haloacetic Acids (HAA5) MR 2 SDWIS / 020000015 / 2456
2024 TTHM MR 2 SDWIS / 020000015 / 2950
2024 Nitrate MR 1 SDWIS / 020000015 / 1040
2024 Nitrite MR 1 SDWIS / 020000015 / 1041
2024 Lead and Copper Rule MR 1 SDWIS / 020000015 / 5000
2016 E. COLI MR 2 SDWIS / 020000015 / 3014
2011 Chlorine MRDL 1 SDWIS / 020000015 / 0999
2010 Coliform (TCR) MCL 2 SDWIS / 020000015 / 3100

How Tuscarora Nation School Compares

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

Metric Tuscarora Nation School EPA Region 2 — Tribal Water Systems avg Federal benchmark
Total violations 34 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 175 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 2 — Tribal Water Systems.

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 Tuscarora Nation School water safe to drink? ▼
Tuscarora Nation School (PWS ID: 020000015) has 34 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 175 people using Groundwater sources.
How many people does Tuscarora Nation School serve? ▼
Tuscarora Nation School serves 175 people in Sanborn, EPA Region 2 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 1 service connections.
What type of violations does Tuscarora Nation School have? ▼
Tuscarora Nation School has 34 total violations: 3 health-based violations (MCL exceedances or treatment failures), 18 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Tuscarora Nation School water? ▼
No PFAS testing data is available for Tuscarora Nation School under the EPA's UCMR5 monitoring program.
What water source does Tuscarora Nation School use? ▼
Tuscarora Nation School 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.