Public water system · CT0189973
ActivePhotronics, Inc.. Building 1
At a glance
Photronics, Inc.. Building 1 (PWSID CT0189973) is an active non-transient non-community water system in Fairfield County, Connecticut. It reports serving 110 people through 2 service connections. 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
110
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Photronics, Inc.. Building 1 compare with other water systems in Fairfield County?
By EPA's size categories, Photronics, Inc.. Building 1 is a very small system (500 people or fewer). Fairfield County has 337 active public water systems. Its population served is well below the county average of 2,311 people per system, and accounts for less than 0.1% of the 778,730 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Photronics, Inc.. Building 1 is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Connecticut has 483 active non-transient non-community water systems, 20% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.
Who owns and regulates Photronics, Inc.. Building 1?
EPA lists Photronics, Inc.. Building 1 as privately owned. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 286 of the 337 active systems in Fairfield County (85%) are also privately owned.
Does Photronics, Inc.. Building 1 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 Photronics, Inc.. Building 1. For the latest compliance status, check EPA ECHO for current compliance history.
Photronics, Inc.. Building 1: frequently asked questions
Who runs Photronics, Inc.. Building 1?
Photronics, Inc.. Building 1 (PWSID CT0189973) is a non-transient non-community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Photronics, Inc.. Building 1 serve?
Photronics, Inc.. Building 1 reports serving 110 people through 2 service connections in Fairfield County, Connecticut.
Where does Photronics, Inc.. Building 1 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 Photronics, Inc.. Building 1 have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Photronics, Inc.. Building 1'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 EPA ECHO, or the CT state drinking water program.
Where can I find Photronics, Inc.. Building 1's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Photronics, Inc.. Building 1 is a non-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 Fairfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aquarion-Eastern Fairfield County | Fairfield | 351,756 | Community | Surface water |
| Aquarion-Stamford | Fairfield | 119,214 | Community | Surface water |
| Danbury Water Department | Fairfield | 62,055 | Community | Surface water |
| Aquarion-Greenwich | Fairfield | 53,297 | Community | Surface water |
| South Norwalk Electric & Water | Fairfield | 42,000 | Community | Surface water |
| Norwalk First Taxing District | Fairfield | 40,256 | Community | Surface water |
Related pages
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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, “Photronics, Inc.. Building 1, PWSID CT0189973, Connecticut”, https://aquacensus.com/water-systems/connecticut/photronics-inc-building-1-ct0189973 (data as of October 1, 2026).