EPA data as of Oct 2026 · page updated 2026-10-29

Lynwood 3rd Addition

Lynwood 3rd Addition (EPA ID IL0735280) in Geneseo, IL supplies groundwater (wells) to about 100 people: 18 violations since 2016, latest lead result 0.7 ppb, PFAS not tested.

System facts

People served100
Connections35
Sourcegroundwater (wells)
WholesalerNo

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Arsenic17
Lead and Copper Rule1

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 2020.

Lead

Jan 20250.7 ppb
Jan 20240.7 ppb
Jan 20230.8 ppb
Jan 20220 ppb
Jan 20210 ppb
Jul 20201 ppb
Jan 20200 ppb
Jan 20160.7 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 Lynwood 3rd Addition had drinking water violations?

Health-based violations since 2016: Arsenic, Lead and Copper Rule. All are listed as resolved.

What is the lead level in Lynwood 3rd Addition water?

The latest 90th-percentile lead result (Jan 2025) was 0.7 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Lynwood 3rd Addition 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).