PlainWater
Counties → Texas

Montgomery County, Texas

Water Systems
458
Population Served
771,444
Total Violations
18,154
1,952 health-based
PFAS Detected
40
of 44 tested

Violation Analysis

82.3%
Systems with Violations
39.6
Avg Violations per System
10.8%
Health-Based Violations

Water Source Types

GW
35 systems (8%)
SW
15 systems (3%)

PFAS Contamination

44
Systems Tested
40
PFAS Detected
90.9%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Montgomery Texas water systems by violation status, EPA SDWIS records.

No violations on record (6) One or more violations (44)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
City of Conroe 113,912 7 Clean
Porter Special Utility District 26,388 44 Clean
Montgomery Trace Water System 25,917 12 Detected
Montgomery County MUD 46 24,399 20 Clean
Montgomery County MUD 47 24,171 34 Clean
Montgomery County MUD 67 16,821 18 Clean
Montgomery County MUD 60 15,036 33 Clean
New Caney MUD 14,307 54 Clean
Southern Montgomery County MUD 13,372 29 Clean
Montgomery County MUD 7 12,528 17 Clean
Spring Creek Utility District 11,733 4 Clean
Rayford Road MUD 11,550 1 Clean
City of Willis 9,867 49 Clean
City of Splendora 9,612 91 Clean
Montgomery County MUD 6 8,610 11 Clean
Old Egypt Subdivision 8,442 10 Clean
The Woodlands MUD 1 7,989 12 Clean
Montgomery County MUD 18 7,608 17 Detected
City of Magnolia 7,107 74 -
Montgomery County MUD 119 Spring Trails 6,621 6 Clean
Montgomery County MUD 15 6,564 13 Detected
Montgomery County MUD 95 6,435 10 -
Town of Cut and Shoot 6,000 16 Clean
Montgomery County MUD 9 5,949 21 Clean
Benders Landing Water Plant 1 & 2 5,892 40 Clean
Montgomery County MUD 139 5,523 0 -
Montgomery County MUD 8 5,472 20 Clean
Montgomery County MUD 112 5,454 0 Clean
Montgomery County MUD 36 5,235 16 Clean
Montgomery County MUD 94 5,184 8 Clean
Montgomery County Ud 4 4,980 7 Clean
Conroe Isd Moorehead JR High School 4,945 44 Clean
Montgomery County MUD 89 4,899 5 Clean
Dobbin Plantersville WSC 1 4,767 172 Clean
Montgomery County MUD 115 4,599 0 -
Montgomery County MUD 19 4,422 12 Clean
Montgomery County MUD 39 4,284 20 Clean
City of Shenandoah 4,172 6 -
Valley Ranch MUD 1 4,056 0 Clean
East Montgomery County MUD 7 4,035 0 -
East Montgomery County MUD 6 3,939 4 -
Montgomery County Ud 3 3,825 13 Clean
Stanley Lake MUD 3,783 29 Clean
Decker Hills 3,780 44 Clean
City of Montgomery 3,771 36 -
Montgomery County MUD 99 3,675 0 -
Woodland Oaks Subdivision 3,666 6 Clean
City of Oak Ridge North 3,585 11 Clean
Montgomery County Wcid 1 3,396 8 Clean
Montgomery County Ud 2 3,381 4 -

Other Counties in Texas

Harris County
1,292 systems · 6,016,117 served · 78,495 violations
Dallas County
37 systems · 3,180,170 served · 2,618 violations
Bexar County
82 systems · 2,376,579 served · 13,955 violations
Tarrant County
113 systems · 2,099,244 served · 10,564 violations
Travis County
138 systems · 1,547,700 served · 7,557 violations
Collin County
35 systems · 1,246,210 served · 1,149 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Montgomery County? ▼
Montgomery County has 18,154 total drinking water violations across 458 water systems, of which 1,952 are health-based violations. 82.3% of systems have at least one violation.
How many people get water from Montgomery County systems? ▼
Water systems in Montgomery County serve approximately 771,444 people through 458 public water systems.
Has PFAS been detected in Montgomery County water? ▼
Of 44 water systems tested for PFAS in Montgomery County, 40 had PFAS detected (90.9% detection rate).
What types of water sources supply Montgomery County? ▼
Water systems in Montgomery County use GW (35 systems), SW (15 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 10.8% of Montgomery County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.