PlainWater
States → Rhode Island

Transient Non-Community Water System · PWS RI1000099

Hog Island Water Assoc.inc.-North End

Portsmouth, Rhode Island 02871 - drinking water served from groundwater sources to 275 people, tracked in EPA SDWIS and UCMR5.

275
People served
68
EPA violations
26
Health-based
Untested
UCMR5 result

The verdict

EPA records 68 drinking-water violations at Hog Island Water Assoc.inc.-North End, 38% of them health-based - below the Rhode Island per-system average.

68
Total EPA violations on record
38%
Health-based (MCL / treatment failure)
275
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hog Island Water Assoc.inc.-North End

Hog Island Water Assoc.inc.-North End is a private-owned transient non-community water system that delivers drinking water to 275 residents in Portsmouth, Rhode Island (Newport County) through 80 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 26 (38%) 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 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 26 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%).

Hog Island Water Assoc.inc.-North End's 68 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
275
Total Violations
68
Health-Based Violations
26
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
80
County
Newport
School/Daycare
No
MCL Violations
26
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 26 2006
Coliform (TCR) MR 8 1991
Nitrate MR 5 1991
Revised Total Coliform Rule RPT 5 2018
Public Notice Other 5 2004
Revised Total Coliform Rule MON 5 2016

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 Hog Island Water Assoc.inc.-North End.

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 RI1000099 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
2018 Revised Total Coliform Rule RPT 5 SDWIS / RI1000099 / 8000
2016 Revised Total Coliform Rule MON 5 SDWIS / RI1000099 / 8000
2006 Coliform (TCR) MCL 26 SDWIS / RI1000099 / 3100
2004 Public Notice Other 5 SDWIS / RI1000099 / 7500
1991 Coliform (TCR) MR 8 SDWIS / RI1000099 / 3100
1991 Nitrate MR 5 SDWIS / RI1000099 / 1040

How Hog Island Water Assoc.inc.-North End Compares

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

Metric Hog Island Water Assoc.inc.-North End Rhode Island avg Federal benchmark
Total violations 68 72.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 26 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 275 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 Hog Island Water Assoc.inc.-North End water safe to drink? ▼
Hog Island Water Assoc.inc.-North End (PWS ID: RI1000099) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 275 people using Groundwater sources.
How many people does Hog Island Water Assoc.inc.-North End serve? ▼
Hog Island Water Assoc.inc.-North End serves 275 people in Portsmouth, Rhode Island. It is a Private-owned system using Groundwater water sources with 80 service connections.
What type of violations does Hog Island Water Assoc.inc.-North End have? ▼
Hog Island Water Assoc.inc.-North End has 68 total violations: 26 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 Hog Island Water Assoc.inc.-North End water? ▼
No PFAS testing data is available for Hog Island Water Assoc.inc.-North End under the EPA's UCMR5 monitoring program.
What water source does Hog Island Water Assoc.inc.-North End use? ▼
Hog Island Water Assoc.inc.-North End uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.