Is Montgomery, Texas tap water safe?

34 water systems report serving Montgomery. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.

A

Montgomery Trace Water System

Serves 25,917 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
A

Montgomery County MUD 18

Serves 7,608 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A

Montgomery County MUD 9

Serves 5,949 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A

Montgomery County MUD 8

Serves 5,472 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A

Montgomery County UD 4

Serves 4,980 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
C

Dobbin Plantersville WSC 1

Serves 4,767 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 15 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A

Montgomery County UD 3

Serves 3,825 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Stanley Lake MUD

Serves 3,783 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
C

City of Montgomery

Serves 3,771 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 13 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Lake Conroe Village

Serves 3,087 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Grand Harbor Water System

Serves 2,370 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Lake Bonanza WSC

Serves 2,142 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Montgomery County MUD 166

Serves 1,443 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Keenan WSC

Serves 1,245 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B

Conroe Resort

Serves 1,068 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Hidden Forest Estates

Serves 990 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A

Magnolia Reserve Water Plant

Serves 675 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
D

Shady Oaks Estates

Serves 648 people · Groundwater · Full report →
3 health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Sunrise Ranch

Serves 468 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Harborside

Serves 432 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Mount Pleasant Village Water System

Serves 255 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Pine Lake Subdivision North WSC

Serves 249 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Flamingo Lakes Lot Owners Association in

Serves 246 people · Groundwater · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Forest Woods Subdivision

Serves 237 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Del Lago Estates WSC

Serves 204 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A

Lake Lorraine WS

Serves 126 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Stillwater Estates

Serves 120 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B

Vista Verde Water Systems

Serves 111 people · Groundwater · Full report →
No health-based violations in the last 5 years; 38 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Yesterdays Crossing

Serves 105 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B

Havenshire Water System

Serves 63 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Lake Conroe Terrace Water System

Serves 57 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
D

Saddle & Surrey Acres WSC

Serves 54 people · Groundwater · Full report →
5 health-based violations in the last 5 years; 6 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A

Montgomery County MUD 209

Serves 45 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file.
A

Big Oaks Ranchette Subdivision

Serves 42 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).