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Community Water System · PWS RI2973130

Maplehill Mobile Home Park

Slatersville, Rhode Island 02876 - drinking water served from groundwater sources to 750 people, tracked in EPA SDWIS and UCMR5.

750
People served
162
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 162 drinking-water violations at Maplehill Mobile Home Park, 4% of them health-based - above the Rhode Island per-system average.

162
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
750
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Maplehill Mobile Home Park

Maplehill Mobile Home Park is a private-owned community water system that delivers drinking water to 750 residents in Slatersville, Rhode Island (Providence County) through 200 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 162 total violations for this system , of which 6 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 129 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 48 violations (MR). 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%).

Maplehill Mobile Home Park's 162 violations sit above 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
750
Total Violations
162
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
200
County
Providence
School/Daycare
No
MCL Violations
0
Monitoring Violations
129
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 48 2024
Consumer Confidence Rule Other 22 2020
Lead and Copper Rule MR 10 2013
Lead and Copper Rule TT 6 1994
Asbestos MR 5 2011
Revised Total Coliform Rule RPT 5 2020
Chloramine MR 3 2013
1,2,4-Trichlorobenzene MR 3 2020
DICHLOROMETHANE MR 3 2020
o-Dichlorobenzene MR 3 2020
trans-1,2-Dichloroethylene MR 3 2020
1,1,1-Trichloroethane MR 3 2020
Trichloroethylene MR 3 2020
CHLOROBENZENE MR 3 2020
Benzene MR 3 2020
Toluene MR 3 2020
Ethylbenzene MR 3 2020
Styrene MR 3 2020
Carbon tetrachloride MR 3 2020
1,2-Dichloropropane MR 3 2020
Tetrachloroethylene MR 3 2020
1,1-Dichloroethylene MR 3 2020
p-Dichlorobenzene MR 3 2020
Xylenes, Total MR 3 2020
1,2-Dichloroethane MR 3 2020
cis-1,2-Dichloroethylene MR 3 2020
Vinyl chloride MR 3 2020
1,1,2-Trichloroethane MR 3 2020

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 Maplehill Mobile Home 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 RI2973130 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
2024 Chlorine MR 48 SDWIS / RI2973130 / 0999
2020 Consumer Confidence Rule Other 22 SDWIS / RI2973130 / 7000
2020 Revised Total Coliform Rule RPT 5 SDWIS / RI2973130 / 8000
2020 1,2,4-Trichlorobenzene MR 3 SDWIS / RI2973130 / 2378
2020 DICHLOROMETHANE MR 3 SDWIS / RI2973130 / 2964
2020 o-Dichlorobenzene MR 3 SDWIS / RI2973130 / 2968
2020 trans-1,2-Dichloroethylene MR 3 SDWIS / RI2973130 / 2979
2020 1,1,1-Trichloroethane MR 3 SDWIS / RI2973130 / 2981
2020 Trichloroethylene MR 3 SDWIS / RI2973130 / 2984
2020 CHLOROBENZENE MR 3 SDWIS / RI2973130 / 2989
2020 Benzene MR 3 SDWIS / RI2973130 / 2990
2020 Toluene MR 3 SDWIS / RI2973130 / 2991
2020 Ethylbenzene MR 3 SDWIS / RI2973130 / 2992
2020 Styrene MR 3 SDWIS / RI2973130 / 2996
2020 Carbon tetrachloride MR 3 SDWIS / RI2973130 / 2982

How Maplehill Mobile Home Park Compares

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

Metric Maplehill Mobile Home Park Rhode Island avg Federal benchmark
Total violations 162 72.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 750 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 Maplehill Mobile Home Park water safe to drink? ▼
Maplehill Mobile Home Park (PWS ID: RI2973130) has 162 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 750 people using Groundwater sources.
How many people does Maplehill Mobile Home Park serve? ▼
Maplehill Mobile Home Park serves 750 people in Slatersville, Rhode Island. It is a Private-owned system using Groundwater water sources with 200 service connections.
What type of violations does Maplehill Mobile Home Park have? ▼
Maplehill Mobile Home Park has 162 total violations: 6 health-based violations (MCL exceedances or treatment failures), 129 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Maplehill Mobile Home Park water? ▼
No PFAS testing data is available for Maplehill Mobile Home Park under the EPA's UCMR5 monitoring program.
What water source does Maplehill Mobile Home Park use? ▼
Maplehill Mobile Home 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.