Is Quinlan, Texas tap water safe?
15 water systems report serving Quinlan. 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.
B
Cash SUD
Serves 25,875 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2024).
A
Combined Consumers SUD
Serves 9,087 people · Surface water · 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 above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2024).
C
City of West Tawakoni
Serves 2,061 people · Surface water · Full report →
1 health-based violation in the last 5 years; 22 monitoring/reporting violations; 12 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
City of Quinlan
Serves 1,414 people · Surface water · 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 (2026).
A
Crazy Horse Subdivision
Serves 582 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
Country Wood Estates
Serves 465 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 (2024).
A
Barrow Subdivision
Serves 318 people · Surface water · 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).
A
Holiday Estates Water
Serves 231 people · Surface water · 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).
A
Quinlan North Subdivision
Serves 228 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 (2023).
A
4 R Ranch Water 2
Serves 204 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 (2025).
C
Whispering Oaks Water Coop
Serves 141 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 78 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A
Quinlan South Subdivision
Serves 141 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 (2023).
A
Rockwall East Mini Ranch
Serves 114 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 (2023).
C
Caddo Mesa WSC
Serves 93 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 60 monitoring/reporting violations; 12 not yet resolved; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1999 (older than 5 years, not graded).
C
Lil Countryside WSC
Serves 54 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 56 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).