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Montgomery County, TX Water Quality

Water quality data for 19 public water systems serving Montgomery County, Texas — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 19 water systems · 19 cities
✅
Excellent — All Systems Performing Well

Water quality across the county is outstanding with minimal violations and very low lead levels.

A

Montgomery County Earns a A

Montgomery County: 19 communities across 19 water systems. 100.0% have no open violations.

  • Median lead where detected: 0.73 ppb
  • 10 communities with a lead detection, 9 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
0.73 ppb
Median Lead Level
County-wide, 90th percentile
19
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Conroe
    Not detected
    No federal limits exceeded on record
    A
  • Shenandoah
    Not detected
    No federal limits exceeded on record
    B
  • Pinehurst
    0.80 ppb
    No federal limits exceeded on record
    B
  • Oak Ridge North
    3.44 ppb
    No federal limits exceeded on record
    A
  • Panorama Village
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • The Woodlands
    0.70 ppb
    1 health-based violation since 2015
    A
  • Willis
    0.70 ppb
    2 health-based violations since 2015
    B
  • Magnolia
    0.61 ppb
    1 health-based violation since 2015
    B
  • Splendora
    Not detected
    1 health-based violation since 2015
    A
  • Montgomery
    0.63 ppb
    1 health-based violation since 2015
    B
County Lead Level — Median 0.73 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 0.73 ppb — 4.9% of the federal action level
Systems by Lead Level
Under 5 ppb
10
No Data
9

All Cities in Montgomery County

Conroe Not detected A
The Woodlands 0.70 ppb A
Willis 0.70 ppb B
Shenandoah Not detected B
Pinehurst 0.80 ppb B
Oak Ridge North 3.44 ppb A
Panorama Village Not detected B
Magnolia 0.61 ppb B
Deerwood 0.75 ppb B
Splendora Not detected A
Roman Forest Not detected B
Montgomery 0.63 ppb B
Porter Heights 0.59 ppb A
Woodbranch 1.22 ppb B
Cut and Shoot Not detected A
Patton Village Not detected B
Stagecoach Not detected B
Woodloch 0.78 ppb B
Grangerland Not detected B
Showing 19 cities
No active violations Active violations

About Montgomery County Drinking Water

Montgomery County is served by 19 water systems covering 19 communities. No community here has an open violation on record.

Of the communities reporting lead results, 10 recorded a detection, with a median of 0.73 ppb — 5% of the federal action level. 9 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded no significant deficiencies.

Frequently Asked Questions

Is Montgomery County tap water safe to drink?▼
No community in Montgomery County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Montgomery County?▼
Among communities with a detection the median is 0.73 ppb, 5% of the 15 ppb action level. 9 reported none detected and 0 reported no result.
How many water systems serve Montgomery County?▼
19 community water systems serve 19 communities here.
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