Tapcensus

Texas

Montgomery County drinking water quality

472 active public water systems serve 794,846 people in Montgomery County. 242 are compliant, 230 had at least one EPA violation in the past three years, 4 are designated serious violators, and 19 carry a health flag.

Active systems 472 338 community systems
People served 795K by public water systems
Systems with violations 230 49% of active systems, past 3 years
Serious violators 4 19 systems carry a health flag

Needs attention

Stone Hedge Estates TX1700102 · Community water system · Serves 129 3 rules violated in the past three years. Unresolved: Lead and Copper Rule and Public Notice Rule and Revised PN Rule.
Roman Forest Pud 4 TX1700237 · Community water system · Serves 60 3 rules violated in the past three years. Unresolved: Revised Total Coliform Rule and Lead and Copper Rule.
Earlys Bbq and Catering TX1700498 · Transient non-community system · Serves 50 3 rules violated in the past three years. Unresolved: Public Notice Rule and Revised PN Rule.
3h Farms TX1700835 · Non-Transient non-community system · Serves 25 5 rules violated in the past three years. Unresolved: Lead and Copper Rule, Lead and Copper Rule Revisions, and Public Notice Rule and Revised PN Rule.
East High School Magnolia Isd TX1700664 · Non-Transient non-community system · Serves 2,391 5 rules violated in the past three years. Unresolved: Lead and Copper Rule, Lead and Copper Rule Revisions, and Public Notice Rule and Revised PN Rule.
Magnolia Isd Magnolia West High School TX1700765 · Non-Transient non-community system · Serves 2,075 5 rules violated in the past three years. Unresolved: Lead and Copper Rule, Lead and Copper Rule Revisions, and Public Notice Rule and Revised PN Rule.
Magnolia Isd Bear Branch TX1700412 · Non-Transient non-community system · Serves 1,880 5 rules violated in the past three years. Unresolved: Lead and Copper Rule, Lead and Copper Rule Revisions, and Public Notice Rule and Revised PN Rule.
Forest Trace TX1700869 · Community water system · Serves 1,000 5 rules violated in the past three years. Unresolved: Lead and Copper Rule, Lead and Copper Rule Revisions, and Consumer Confidence Rule.
Magnolia Isd Smith Elementary School TX1700656 · Non-Transient non-community system · Serves 900 5 rules violated in the past three years. Unresolved: Lead and Copper Rule Revisions.
Magnolia Isd J L Lyons Elem TX1700569 · Non-Transient non-community system · Serves 858 5 rules violated in the past three years. Unresolved: Lead and Copper Rule, Lead and Copper Rule Revisions, and Public Notice Rule and Revised PN Rule.

10 more systems with a serious violator or health flag designation are in the lists below.

Community water systems

338 systems, largest first
SystemServesStatusRules violated, 3 yrUnresolved
Point Aquarius MUD
 3,228 0 0
Westwood North WSC
 3,186 0 0
Montgomery County MUD 88
 3,183 2 1
Lake Windcrest Water System
 3,144 0 0
East Montgomery County MUD 5
 3,126 1 0
Montgomery County MUD 191
 3,099 0 0
Lake Conroe Village
 3,087 0 0
Wood Trace MUD 1
 3,084 1 0
River Plantation MUD
 2,898 0 0
Timberland Estates
 2,886 4 0
East Montgomery County MUD 12
 2,838 0 0
Riverwalk Subdivision
 2,820 0 0
City of Panorama Village
 2,800 1 0
Montgomery County MUD 98
 2,766 0 0
Montgomery County MUD 138
 2,712 0 0
Chateau Woods MUD Water System
 2,700 0 0
Montgomery County MUD 24
 2,613 0 0
Montgomery County MUD 84
 2,553 0 0
Woodridge MUD
 2,550 0 0
Indigo Lakes Water System
 2,517 0 0
Montgomery County MUD 111
 2,502 0 0
Montgomery County MUD 127
 2,478 0 0
Grand Estates
 2,433 0 0
Hazy Hollow East Estates
 2,424 3 0
Kipling Oaks 1
 2,418 3 1
Roman Forest Consolidated MUD
 2,418 2 1
Montgomery County MUD 137
 2,409 0 0
Lone Star Public Water System
 2,397 0 0
Grand Harbor Water System
 2,370 0 0
Harris Montgomery Counties MUD 386 May V
 2,364 0 0
Montgomery County MUD 96
 2,334 0 0
Creekside Village
 2,277 0 0
East Montgomery County MUD 3
 2,250 1 0
Mill Creek
 2,232 0 0
Arrowhead Lake & Frontier Lake
 2,208 1 1
Montgomery County MUD 83
 2,208 0 0
East Montgomery County MUD 4
 2,168 0 0
Lake Bonanza WSC
 2,142 1 0
Montgomery County MUD 144
 2,106 0 0
Montgomery County MUD 164
 2,076 1 0
Walnut Cove WSC
 2,076 0 0
Black Oak Water System
 2,073 0 0
Coe Country
 2,067 3 1
Lake Conroe Hills MUD
 2,058 0 0
Mostyn Manor
 2,058 0 0
Audubon MUD 1
 2,049 0 0
Far Hills Utility District
 2,030 1 0
Grand Oaks MUD
 2,013 0 0
Decker Oaks
 1,986 0 0
Emerson Estates
 1,974 2 2
Non-community systems (134: schools, campgrounds, workplaces, restaurants)

These systems serve places people visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Conroe Isd Moorehead JR High School
 4,945 0 0
Splendora Isd High School
 2,600 0 0
East High School Magnolia Isd
 2,391 5 3
Magnolia Isd Magnolia West High School
 2,075 5 3
Magnolia Isd Bear Branch
 1,880 5 3
Fellowship of Montgomery Church
 1,050 2 0
Valero Corner Store 1478
 1,007 2 0
Conroe Isd Creighton Intermediate
 952 0 0
Magnolia Isd Smith Elementary School
 900 5 1
Magnolia Isd J L Lyons Elem
 858 5 3
Piney Shores
 822 0 0
Conroe Isd San Jacinto Elementary
 718 1 0
Forest Lane Food Mart
 500 1 0
West Montgomery County Park
 500 1 0
Residence RV Park
 466 0 0
Leisure Lane RV Park
 456 0 0
830 Marina Store
 400 2 0
Lake Conroe RV Campground
 345 3 0
Sunset Shores RV Park
 342 0 0
Amber Springs Event Center
 300 0 0
Dinks Food Store
 300 0 0
FM 1485 C Store
 300 0 0
The Carriage House
 300 2 0
Rayford Business Park
 299 0 0
Indigo Hills RV Park Water System
 294 0 0
Canrig Drilling Technology
 290 2 0
Spring Creek Motor Coach Resort
 285 0 0
Valero 592
 275 0 0
Wisteria Road RV Park
 267 1 0
Leisure Lane RV Resort Magnolia
 264 0 0
242 Express Mart
 250 0 0
Angel Texaco
 250 2 0
Casey Ridge Grocery
 250 1 0
Corner Store the
 250 0 0
Country Food Mart
 250 3 1
Dollar General Cleveland
 250 0 0
Eagle Mart
 250 1 1
Piney Woods Mart
 250 0 0
Time Mart 16
 250 1 1
Uday 20
 250 0 0
Thrive With Autism Foundation
 249 2 0
Four Oaks RV Park
 213 0 0
Easy Lane Food Mart 6
 200 2 0
Fuel Maxx 10
 200 0 0
Lake Conroe Foodmart
 200 2 2
Lake Conroe Park
 200 2 0
Sunshine Food Mart 1
 200 0 0
Vernons Kuntry Katfish
 200 1 1
Wigginsville Victory Tabernacle
 200 2 0
Builders Firstsource Truss Manufacturing
 180 1 0
7e Property Holdings
 165 0 0
Rayford Crossing RV Resort
 165 2 0
Bronco Yee-Haw Event Center
 160 0 0
2978 Express
 150 0 0
Addison Woods Event Venue
 150 2 0
Asi Gymnastics
 150 2 0
Convenience RV Park
 150 0 0
Dollar General Conroe Store 22720
 150 0 0
Dollar General Magnolia
 150 0 0
Dollar General Willis Store 22547
 150 0 0
Iffi Stop 1 Food Market
 150 0 0
Midway 7
 150 0 0
Oakridge Ward Houston Texas North Stake
 150 1 0
Snappy Mart 6
 150 1 0
Stow a Way Marina
 150 0 0
Tam Nguyen Retreat Center
 150 0 0
Timber Ridge RV Village
 132 2 1
Met
 120 2 1
Weisinger I-45 Facility
 120 0 0
Grace Chapel Assembly of God
 108 3 0
Camp Robinwood
 100 2 2
Church Project
 100 3 1
Magnolia RV Park
 100 0 0
Saddle River Range
 100 0 0
Tenaris Conroe
 100 1 0
Third Coast Services
 100 1 0
Univar Solutions USA Conroe
 100 0 0
Rounhouse
 96 1 1
Premiere Park One
 90 0 0
Bridgewood Farms
 85 2 0
Met Daycare
 84 2 1
Allendale Baptist Church
 80 2 1
First Baptist Church Grangerland
 75 0 0
The Grove Community School
 75 0 0
Read Youth Charities Dba Deerfoot Youth
 70 0 0
Amore Ristorante
 68 0 0
Forest Park the Woodlands Funeral Home
 60 2 0
Rambling Vines RV Park
 60 0 0
Robbin Express
 60 2 0
Zotos Water 1
 60 0 0
Bailey Grove RV Park
 58 0 0
Ink Jet
 56 1 0
Ameritex Conroe Cbp1
 50 1 1
April Plaza Marina
 50 0 0
Blue Water L&c Properties
 50 0 0
Butera RV Park
 50 2 1
Christian Life Center
 50 2 1
Earlys Bbq and Catering
 50 3 1
Masjid Al-Ansaar
 50 0 0
San Jacinto River Authority Lake Conroe
 50 1 0
All 134 in the systems table
Inactive systems (335, no longer operating or reporting)

Kept for the record and excluded from the county totals above. Browse inactive systems.

About this data

Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Texas records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.