EPA data as of Oct 2026 · page updated 2026-10-30

Hillsdale Housing Cooperative, INC.

Hillsdale Housing Cooperative, INC. (EPA ID RI2942525) in Warwick, RI supplies groundwater (wells) to about 170 people: 3 violations since 2016, latest lead result 1 ppb, PFAS not tested.

Violations
3 violations
latest Jan 2023

Health-based violations since 2016: Gross Alpha, EXCL. Radon and U. All are listed as resolved.

Lead
1 ppb
old data

90th-percentile lead in the latest round (Jan 2011). Lead comes mostly from household plumbing and service lines, so individual homes can be higher.

PFAS
Not tested
not in UCMR 5

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

System facts

People served170
Connections104
Sourcegroundwater (wells)
WholesalerNo

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Gross Alpha, EXCL. Radon and U3

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Jan 2023.

Lead

Jan 20111 ppb
Jan 20051 ppb
Jan 20040 ppb
Jan 20030 ppb
Jan 20020 ppb
Jan 20010 ppb
Jul 20000 ppb
Dec 199618 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Hillsdale Housing Cooperative, INC. had drinking water violations?

Health-based violations since 2016: Gross Alpha, EXCL. Radon and U. All are listed as resolved.

What is the lead level in Hillsdale Housing Cooperative, INC. water?

The latest 90th-percentile lead result (Jan 2011) was 1 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Hillsdale Housing Cooperative, INC. have PFAS in its water?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).