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AquaCensus

Public water system · IL0010650

Active

Quincy

Community water system in Adams County, Illinois, drawing primarily on surface water.

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

Population served

42,000

Service connections

17,410

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDIL0010650
System typeCommunity water system
Activity statusActive
Population served42,000
Service connections17,410
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedQuincy
StateIllinois
ZIP

Violations & enforcement

BeganViolationContaminantHealth-basedStatus
2025-07-01727000NoUnaddressed
2020-04-01032050NoResolved
2020-04-01032032NoResolved
2020-04-01032010NoResolved
2020-04-01032020NoResolved
2020-04-01032031NoResolved
2020-04-01032051NoResolved
2020-04-01032036NoResolved
2020-04-01032040NoResolved
2020-04-01032105NoResolved
2020-04-01032274NoResolved
2020-04-01032044NoResolved

Quincy: frequently asked questions

Is Quincy's water safe to drink?

Quincy is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Quincy?

Quincy (PWSID IL0010650) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Quincy serve?

Quincy reports serving 42,000 people through 17,410 service connections in Adams County, Illinois.

Where does Quincy get its water?

EPA SDWIS lists this system's primary water source as surface water.

Other water systems in Adams County

Water systemCountyPopulation servedTypeSource
Thornton City ofAdams226,465CommunitySurface water
Westminster City ofAdams202,078CommunitySurface water
South Adams County WsdAdams75,559CommunityPurchased surface water
Brighton City ofAdams56,304CommunityPurchased surface water
Northglenn City ofAdams48,927CommunitySurface water
Hastings, City ofAdams24,927CommunityGroundwater