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States → EPA Region 2 — Tribal Water Systems

Community Water System · PWS 020011102

Shelton Trailer Park

Salamanca, EPA Region 2 — Tribal Water Systems 14779 - drinking water served from groundwater sources to 40 people, tracked in EPA SDWIS and UCMR5.

40
People served
45
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 45 drinking-water violations at Shelton Trailer Park, 4% of them health-based.

45
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
40
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shelton Trailer Park

Shelton Trailer Park is a native american-owned community water system that delivers drinking water to 40 residents in Salamanca, EPA Region 2 — Tribal Water Systems through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 45 total violations for this system , of which 2 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Chlorine, recorded in 6 violations (MR). 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
40
Total Violations
45
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
20
School/Daycare
No
MCL Violations
2
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 6 2014
Nitrate MR 4 2007
Consumer Confidence Rule Other 3 2009
Revised Total Coliform Rule MON 3 2018
E. COLI MR 3 2018
Lead and Copper Rule MR 2 2013
Total Haloacetic Acids (HAA5) MR 2 2017
TTHM MR 2 2017
Coliform (TCR) MR 2 2011
Coliform (TCR) MCL 2 2010
Endrin MR 1 2005
Di(2-ethylhexyl) adipate MR 1 2005
Simazine MR 1 2005
Heptachlor epoxide MR 1 2005
Heptachlor MR 1 2005
Atrazine MR 1 2005
Di(2-ethylhexyl) phthalate MR 1 2005
Chlordane MR 1 2005
Benzo(a)pyrene MR 1 2005
BHC-GAMMA MR 1 2005
HEXACHLOROBENZENE MR 1 2005

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 Shelton Trailer Park.

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 020011102 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
2018 Revised Total Coliform Rule MON 3 SDWIS / 020011102 / 8000
2018 E. COLI MR 3 SDWIS / 020011102 / 3014
2017 Total Haloacetic Acids (HAA5) MR 2 SDWIS / 020011102 / 2456
2017 TTHM MR 2 SDWIS / 020011102 / 2950
2014 Chlorine MR 6 SDWIS / 020011102 / 0999
2013 Lead and Copper Rule MR 2 SDWIS / 020011102 / 5000
2011 Coliform (TCR) MR 2 SDWIS / 020011102 / 3100
2010 Coliform (TCR) MCL 2 SDWIS / 020011102 / 3100
2009 Consumer Confidence Rule Other 3 SDWIS / 020011102 / 7000
2007 Nitrate MR 4 SDWIS / 020011102 / 1040
2005 Endrin MR 1 SDWIS / 020011102 / 2005
2005 Di(2-ethylhexyl) adipate MR 1 SDWIS / 020011102 / 2035
2005 Simazine MR 1 SDWIS / 020011102 / 2037
2005 Heptachlor epoxide MR 1 SDWIS / 020011102 / 2067
2005 Heptachlor MR 1 SDWIS / 020011102 / 2065

How Shelton Trailer Park Compares

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

Metric Shelton Trailer Park EPA Region 2 — Tribal Water Systems avg Federal benchmark
Total violations 45 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 40 - 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 Shelton Trailer Park water safe to drink? ▼
Shelton Trailer Park (PWS ID: 020011102) has 45 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does Shelton Trailer Park serve? ▼
Shelton Trailer Park serves 40 people in Salamanca, EPA Region 2 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 20 service connections.
What type of violations does Shelton Trailer Park have? ▼
Shelton Trailer Park has 45 total violations: 2 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shelton Trailer Park water? ▼
No PFAS testing data is available for Shelton Trailer Park under the EPA's UCMR5 monitoring program.
What water source does Shelton Trailer Park use? ▼
Shelton Trailer Park 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.