Skip to content
AquaCensus

Public water system · IL1950550

Active

Tampico

Community water system in Whiteside County, Illinois, drawing primarily on groundwater.

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

Population served

689

Service connections

345

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1950550
System typeCommunity water system
Activity statusActive
Population served689
Service connections345
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedTampico
StateIllinois
ZIP—
CountyWhiteside County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesUnaddressed
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 4 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Tampico: frequently asked questions

Is Tampico's water safe to drink?

Tampico is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Tampico?

Tampico (PWSID IL1950550) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Tampico serve?

Tampico reports serving 689 people through 345 service connections in Whiteside County, Illinois.

Where does Tampico get its water?

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

Other water systems in Whiteside County

Water systemCountyPopulation servedTypeSource
Il American-SterlingWhiteside14,782CommunityGroundwater
Rock FallsWhiteside8,620CommunityGroundwater
MorrisonWhiteside4,188CommunityGroundwater
FultonWhiteside3,346CommunityGroundwater
ProphetstownWhiteside2,100CommunityGroundwater
ErieWhiteside1,479CommunityGroundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.