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Public water system · ME0092791

Active

Rocky Ridge Subdivision

At a glance

Rocky Ridge Subdivision (PWSID ME0092791) is an active community water system in Penobscot County, Maine. It reports serving 64 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

64

Service connections

1

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDME0092791
System typeCommunity water system
Activity statusActive
Population served64
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyME state drinking water program
City servedHermon
StateMaine
ZIP—
CountyPenobscot County

How does Rocky Ridge Subdivision compare with other water systems in Penobscot County?

By EPA's size categories, Rocky Ridge Subdivision is a very small system (500 people or fewer). Penobscot County has 169 active public water systems. Its population served is well below the county average of 547 people per system, and accounts for less than 0.1% of the 92,416 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active community water system reports serving 6,703 people, so Rocky Ridge Subdivision is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maine has 386 active community water systems, 21% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.

Who owns and regulates Rocky Ridge Subdivision?

EPA lists Rocky Ridge Subdivision as privately owned. The ME state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 127 of the 169 active systems in Penobscot County (75%) are also privately owned.

Does Rocky Ridge Subdivision have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Rocky Ridge Subdivision. For the latest compliance status, check EPA ECHO for current compliance history.

Rocky Ridge Subdivision: frequently asked questions

Who runs Rocky Ridge Subdivision?

Rocky Ridge Subdivision (PWSID ME0092791) is a community water system privately owned. It is regulated by the ME state drinking water program.

How many people does Rocky Ridge Subdivision serve?

Rocky Ridge Subdivision reports serving 64 people through 1 service connection in Penobscot County, Maine.

Where does Rocky Ridge Subdivision 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 Rocky Ridge Subdivision have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Rocky Ridge Subdivision'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. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.

Where can I find Rocky Ridge Subdivision's water quality report?

As a community water system, Rocky Ridge Subdivision must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Penobscot County

Water systemCountyPopulation servedTypeSource
Bangor Water DistrictPenobscot27,298CommunitySurface water
Brewer Water DepartmentPenobscot8,860CommunitySurface water
Old Town Water DistrictPenobscot7,648CommunityGroundwater
Orono-Veazie Water DistrictPenobscot5,793CommunityGroundwater
Maine Water Company Millinocket DivisionPenobscot5,400CommunitySurface water
Hampden Water DistrictPenobscot4,628CommunityPurchased 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, “Rocky Ridge Subdivision, PWSID ME0092791, Maine”, https://aquacensus.com/water-systems/maine/rocky-ridge-subdivision-me0092791 (data as of October 1, 2026).