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Public water system · NY5906160

Active

Mamma Rosa Ristorante

At a glance

Mamma Rosa Ristorante (PWSID NY5906160) is an active transient non-community water system in Westchester County, New York. It reports serving 101 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2015.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

101

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNY5906160
System typeTransient non-community water system
Activity statusActive
Population served101
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedSomers (T)
StateNew York
ZIP—
CountyWestchester County

How does Mamma Rosa Ristorante compare with other water systems in Westchester County?

By EPA's size categories, Mamma Rosa Ristorante is a very small system (500 people or fewer). Westchester County has 273 active public water systems. Its population served is well below the county average of 3,808 people per system, and accounts for less than 0.1% of the 1,039,556 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mamma Rosa Ristorante is about 30% below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.

Who owns and regulates Mamma Rosa Ristorante?

EPA lists Mamma Rosa Ristorante as privately owned. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 185 of the 273 active systems in Westchester County (68%) are also privately owned.

Does Mamma Rosa Ristorante have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2015. The violations listed here began between October 2009 and January 2015. By type: 6 monitoring and reporting and 6 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 11 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2015-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2013-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-10-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2010-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2010-03-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2010-02-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2010-01-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2009-12-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2009-11-01Public notice, recordkeeping or otherOperations Report · code 10Not reportedNoResolved
2009-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Mamma Rosa Ristorante: frequently asked questions

Who runs Mamma Rosa Ristorante?

Mamma Rosa Ristorante (PWSID NY5906160) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Mamma Rosa Ristorante serve?

Mamma Rosa Ristorante reports serving 101 people through 1 service connection in Westchester County, New York.

Where does Mamma Rosa Ristorante get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Mamma Rosa Ristorante have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2015. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Mamma Rosa Ristorante's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2015. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Mamma Rosa Ristorante's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mamma Rosa Ristorante is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Westchester County

Water systemCountyPopulation servedTypeSource
Yonkers CityWestchester211,569CommunityPurchased surface water
Veolia Water New York, Inc.. Rd-1Westchester146,732CommunityPurchased surface water
Greenburgh Consolidated Wd #1Westchester86,624CommunityPurchased surface water
Mount Vernon Water DepartmentWestchester73,893CommunityPurchased surface water
Westchester Joint Water WorksWestchester59,629CommunitySurface water
White Plains CityWestchester59,559CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Mamma Rosa Ristorante, PWSID NY5906160, New York”, https://aquacensus.com/water-systems/new-york/mamma-rosa-ristorante-ny5906160 (data as of October 1, 2026).