Tap WaterIndex

← Texas

Tap water quality report

Northwest Grayson County Wcid 1

EPA monitoring tested this supplier for 79 contaminants and detected 22. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

79
contaminants tested
22
detected
3,615
people served
7
health-based violations
Texas rankingsLead in TexasPFAS in Texas
Water source
Ground water
Ownership
Local government
Counties served
Grayson

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

7
health-based violations
31
violations on file
14
still open
ViolationTypeStatusPeriod
TT Health-based Unaddressed 2024-10-17
TT Health-based Unaddressed 2024-10-17
TT Health-based Unaddressed 2024-10-17
TT Health-based Resolved 2024-09-21
TT Health-based Resolved 2024-09-21
TT Health-based Resolved 2024-09-21
TT Health-based Resolved 2024-09-21
Other Monitoring Unaddressed 2026-04-02
Other Monitoring Unaddressed 2026-04-02
MR Monitoring Unaddressed 2025-12-30

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
164 µg/L 1.6%
of the EPA limit 10000 µg/L
 32/36 SYR4 2012–2019
Copper
1200 µg/L 92%
of the EPA limit 1300 µg/L
 23/24 SYR4 2012–2019
Bromoform
10.6 µg/L
No EPA limit set
 22/24 SYR4 2012–2019
Dibromochloromethane
3.17 µg/L
No EPA limit set
 17/24 SYR4 2012–2019
TTHM
12.7 µg/L 16%
of the EPA limit 80 µg/L
 8/8 SYR4 2013–2019
Fluoride
550 µg/L 14%
of the EPA limit 4000 µg/L
 7/7 SYR4 2012–2018
Barium
17 µg/L 0.9%
of the EPA limit 2000 µg/L
 6/6 SYR4 2012–2018
Chromium
10.6 µg/L 11%
of the EPA limit 100 µg/L
 6/6 SYR4 2012–2018
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 5/5 LCR 2025
Dibromoacetic Acid
2 µg/L
No EPA limit set
 4/8 SYR4 2013–2019
Lead
5 µg/L 33%
of the EPA limit 15 µg/L
 4/24 SYR4 2012–2019
Nitrate-Nitrite
79.9 µg/L 0.8%
of the EPA limit 10000 µg/L
 4/4 SYR4 2014–2019
Total Haloacetic Acids (HAA5)
4.6 µg/L 7.7%
of the EPA limit 60 µg/L
 4/8 SYR4 2013–2019
Xylenes, Total
2.07 µg/L 0%
of the EPA limit 10000 µg/L
 4/16 SYR4 2012–2019
Combined Radium (-226 And -228)
2.1 pCi/L 42%
of the EPA limit 5 pCi/L
 3/5 SYR4 2012–2018
Gross Alpha, Excl. Radon And U
6.2 pCi/L 41%
of the EPA limit 15 pCi/L
 3/4 SYR4 2015–2018
Arsenic
0.7250 µg/L 7.2%
of the EPA limit 10 µg/L
 1/6 SYR4 2012–2018
Cyanide
8.18 µg/L 4.1%
of the EPA limit 200 µg/L
 1/5 SYR4 2014–2017
Endrin
0.1100 µg/L 5.5%
of the EPA limit 2 µg/L
 1/8 SYR4 2016–2019
Heptachlor Epoxide
0.1500 µg/L 75%
of the EPA limit 0.2000 µg/L
 1/8 SYR4 2016–2019
Monochloroacetic Acid
3.6 µg/L
No EPA limit set
 1/8 SYR4 2013–2019
Selenium
1.91 µg/L 3.8%
of the EPA limit 50 µg/L
 1/6 SYR4 2012–2018
57 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDichloroacetic AcidDinosebEthylene DibromideEthylbenzeneGross Beta Particle ActivityHexachlorobenzeneHeptachlorHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidNitriteOxamylPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroacetic AcidTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
BOMAR, KAREN, B
Phone
903-523-5886
Email
OFFICE@NORTHWESTWATER.NET

Frequently asked questions about Northwest Grayson County Wcid 1

Is Northwest Grayson County Wcid 1 tap water safe to drink?

EPA monitoring detected 22 contaminants in Northwest Grayson County Wcid 1's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Northwest Grayson County Wcid 1's water?

EPA monitoring detected Nitrate, Copper, Bromoform, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.

How many people does Northwest Grayson County Wcid 1 serve?

Northwest Grayson County Wcid 1 reports serving 3,615 people in Texas, per its EPA record.

Has Northwest Grayson County Wcid 1 had any water quality violations?

The EPA has 31 violations on file for Northwest Grayson County Wcid 1, of which 7 are health-based (a contaminant limit or required treatment was breached) and 14 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.