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Tap water quality report

City of Marshall

EPA monitoring tested this supplier for 108 contaminants and detected 21. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

108
contaminants tested
21
detected
23,091
people served
65
health-based violations
Water source
Surface water
Ownership
Local government
Counties served
Harrison

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.

65
health-based violations
146
violations on file
4
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2025-06-01 → 2025-06-30
TT Health-based Resolved 2025-06-01 → 2025-06-30
TT Health-based Resolved 2025-06-01 → 2025-06-30
TT Health-based Resolved 2025-06-01 → 2025-06-30
TT Health-based Resolved 2022-03-01 → 2022-03-31
TT Health-based Resolved 2022-03-01 → 2022-03-31
TT Health-based Resolved 2022-03-01 → 2022-03-31
TT Health-based Resolved 2022-03-01 → 2022-03-31
TT Health-based Resolved 2021-02-01 → 2021-02-28
TT Health-based Resolved 2021-02-01 → 2021-02-28

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
Pfpea 0.0072 µg/L 1/3 2025

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 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Bromodichloromethane
26.39 µg/L
No EPA limit set
worst single sample: 34.5 µg/L
115/115 SYR4 2012–2019
Chloroform
80.68 µg/L
No EPA limit set
worst single sample: 132.3 µg/L
115/115 SYR4 2012–2019
Dibromochloromethane
6.32 µg/L
No EPA limit set
worst single sample: 10.9 µg/L
113/115 SYR4 2012–2019
Dichloroacetic Acid
40.15 µg/L
No EPA limit set
worst single sample: 51.4 µg/L
107/107 SYR4 2012–2019
TTHM
104.14 µg/L 130%
of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 160.7 µg/L
107/107 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
68.41 µg/L 114%
of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 98.6 µg/L
107/107 SYR4 2012–2019
Trichloroacetic Acid
23.81 µg/L
No EPA limit set
worst single sample: 42.1 µg/L
107/107 SYR4 2012–2019
Copper
147.5 µg/L 11%
of the EPA limit 1300 µg/L
worst single sample: 750 µg/L
86/95 SYR4 2013–2019
Monochloroacetic Acid
4.825 µg/L
No EPA limit set
worst single sample: 6.5 µg/L
68/107 SYR4 2012–2019
Dibromoacetic Acid
2.24 µg/L
No EPA limit set
worst single sample: 2.5 µg/L
33/107 SYR4 2012–2019
Lead
22.4 µg/L 149%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 45 µg/L
27/95 SYR4 2013–2019
Nitrate
301 µg/L 3%
of the EPA limit 10000 µg/L
18/18 SYR4 2012–2019
Lead
0.0021 mg/L 14%
of the EPA limit 0.0150 mg/L
14/14 LCR 2022
Fluoride
506.9 µg/L 13%
of the EPA limit 4000 µg/L
worst single sample: 530 µg/L
8/8 SYR4 2012–2019
Barium
65 µg/L 3.3%
of the EPA limit 2000 µg/L
worst single sample: 71 µg/L
7/7 SYR4 2013–2019
Cyanide
42.1145 µg/L 21%
of the EPA limit 200 µg/L
worst single sample: 43.9 µg/L
2/6 SYR4 2014–2019
Combined Radium (-226 And -228)
1.5 pCi/L 30%
of the EPA limit 5 pCi/L
1/1 SYR4 2017
Monobromoacetic Acid
1.2 µg/L
No EPA limit set
1/107 SYR4 2012–2019
Nitrite
22 µg/L 2.2%
of the EPA limit 1000 µg/L
1/1 SYR4 2013
Selenium
2.27 µg/L 4.5%
of the EPA limit 50 µg/L
1/7 SYR4 2013–2019
87 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEthylene DibromideEndrinEthylbenzeneGross Alpha, Excl. Radon And UGross Beta Particle ActivityHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
WARE, AMY
Phone
903-935-4421
Email
ware.amy@marshalltexas.net

Frequently asked questions about City of Marshall

Is City of Marshall tap water safe to drink?

EPA monitoring detected 21 contaminants in City of Marshall'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 City of Marshall's water?

EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, Dichloroacetic Acid, TTHM, and others. The full list with the level and data source for each is above.

How many people does City of Marshall serve?

City of Marshall reports serving 23,091 people in Texas, per its EPA record.

Has City of Marshall had any water quality violations?

The EPA has 146 violations on file for City of Marshall, of which 65 are health-based (a contaminant limit or required treatment was breached) and 4 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.