Skip to content
AquaCensus

Public water system · 090400051

Active

Colorado River Regional Water System

Community water system in Arizona, drawing primarily on groundwater.

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

Population served

8,490

Service connections

1,860

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID090400051
System typeCommunity water system
Activity statusActive
Population served8,490
Service connections1,860
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 09
City served
StateArizona
ZIP
County

Violations & enforcement

BeganViolationContaminantHealth-basedStatus
2025-12-013A8000NoArchived
2025-10-01270999NoArchived
2025-03-014B8000NoResolved
2025-01-01031040NoArchived
2023-10-29665000NoResolved
2023-01-01031025NoArchived
2023-01-01031005NoArchived
2021-01-01302950NoResolved
2021-01-01302456NoResolved
2021-01-01031040NoResolved
2020-04-012A8000YesResolved
2017-01-01031040NoResolved

Colorado River Regional Water System: frequently asked questions

Is Colorado River Regional Water System's water safe to drink?

Colorado River Regional Water System is an active community water system regulated under the Safe Drinking Water Act, overseen by the EPA Region 09. 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 Colorado River Regional Water System?

Colorado River Regional Water System (PWSID 090400051) is a native american-owned community water system, regulated by the EPA Region 09.

How many people does Colorado River Regional Water System serve?

Colorado River Regional Water System reports serving 8,490 people through 1,860 service connections in Arizona.

Where does Colorado River Regional Water System get its water?

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

Other water systems in Arizona

Water systemCountyPopulation servedTypeSource
New York City SystemRichmond8,271,000CommunitySurface water
Los Angeles-City, Dept. of Water & PowerLos Angeles7,751,132CommunitySurface water
City of HoustonHarris2,970,543CommunitySurface water
ChicagoCook2,746,388CommunitySurface water
MWRASuffolk2,660,000CommunitySurface water
Mdwasa - Main SystemMiami-Dade2,377,460CommunityGroundwater