Riley Express

Transient non-community water system in Montgomery County, Texas, drawing primarily on groundwater.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDTX1700785

System typeTransient non-community water system

Activity statusActive

Population served25

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyMontgomery County

Violations & enforcement

Began	Violation	Contaminant or rule	Health-based	Status
2019-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2019-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2019-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2019-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2019-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2019-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2019-02-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved

All 8 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.

Riley Express: frequently asked questions

Is Riley Express's water safe to drink?

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

Who runs Riley Express?

Riley Express (PWSID TX1700785) is a private-owned transient non-community water system, regulated by the TX state drinking water program.

How many people does Riley Express serve?

Riley Express reports serving 25 people through 1 service connections in Montgomery County, Texas.

Where does Riley Express get its water?

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

Other water systems in Montgomery County

Water system	County	Population served	Type	Source
City of Conroe	Montgomery	113,912	Community	Purchased surface water
Porter Special Utility District	Montgomery	26,388	Community	Groundwater
Montgomery Trace Water System	Montgomery	25,917	Community	Purchased surface water
Montgomery County MUD 46	Montgomery	24,399	Community	Purchased surface water
Montgomery County MUD 47	Montgomery	24,171	Community	Purchased surface water
Montgomery County MUD 67	Montgomery	16,821	Community	Purchased surface water

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