PlainWater

Community Water System · PWS RI1900046

United States Navy -Fort Adams

Newport, Rhode Island 02841 - drinking water served from surface water sources to 320 people, tracked in EPA SDWIS and UCMR5.

320
People served
42
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 42 drinking-water violations at United States Navy -Fort Adams, 48% of them health-based - below the Rhode Island per-system average.

42
Total EPA violations on record
48%
Health-based (MCL / treatment failure)
320
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: United States Navy -Fort Adams

United States Navy -Fort Adams is a federal-owned community water system that delivers drinking water to 320 residents in Newport, Rhode Island (Newport County) through 45 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 42 total violations for this system , of which 20 (48%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is TTHM, recorded in 20 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 Rhode Island, EPA tracks 463 public water systems serving 1,159,492 people, with 33,766 cumulative violations and 8,949 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 72.9 violations. Statewide, 15 of 29 UCMR5-tested systems have reported PFAS detections (51.7%).

United States Navy -Fort Adams's 42 violations sit below the Rhode Island 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
320
Total Violations
42
Health-Based Violations
20
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
45
County
Newport
School/Daycare
No
MCL Violations
20
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 20 2005
Coliform (TCR) MR 15 2009
Lead and Copper Rule MR 5 2011
Consumer Confidence Rule Other 2 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 United States Navy -Fort Adams.

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 RI1900046 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Rhode Island Drinking Water Authority

Rhode Island'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 RI 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
2017 Consumer Confidence Rule Other 2 SDWIS / RI1900046 / 7000
2011 Lead and Copper Rule MR 5 SDWIS / RI1900046 / 5000
2009 Coliform (TCR) MR 15 SDWIS / RI1900046 / 3100
2005 TTHM MCL 20 SDWIS / RI1900046 / 2950

How United States Navy -Fort Adams Compares

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

Metric United States Navy -Fort Adams Rhode Island avg Federal benchmark
Total violations 42 72.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 19.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 51.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 320 2,504 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 463 regulated public water systems in Rhode Island.

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 United States Navy -Fort Adams water safe to drink?
United States Navy -Fort Adams (PWS ID: RI1900046) has 42 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 320 people using Surface Water sources.
How many people does United States Navy -Fort Adams serve?
United States Navy -Fort Adams serves 320 people in Newport, Rhode Island. It is a Federal-owned system using Surface Water water sources with 45 service connections.
What type of violations does United States Navy -Fort Adams have?
United States Navy -Fort Adams has 42 total violations: 20 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in United States Navy -Fort Adams water?
No PFAS testing data is available for United States Navy -Fort Adams under the EPA's UCMR5 monitoring program.
What water source does United States Navy -Fort Adams use?
United States Navy -Fort Adams uses Surface Water 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.
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.