Is Santa Fe, TX Tap Water Safe? Quality & Contaminants

What was found in Santa Fe's water

The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.

Contaminant	Level vs EPA limit	Suppliers	Source
Nitrate	1300 µg/L 13% of the EPA limit 10000 µg/L	4/4	SYR4
Nitrate-Nitrite	1300 µg/L 13% of the EPA limit 10000 µg/L	3/4	SYR4
Fluoride	890 µg/L 22% of the EPA limit 4000 µg/L	4/4	SYR4
Copper	680 µg/L 52% of the EPA limit 1300 µg/L	4/4	SYR4
Barium	215 µg/L 11% of the EPA limit 2000 µg/L	4/4	SYR4
TTHM	140 µg/L 175% of the EPA limit, in the worst sample — 80 µg/L	4/4	SYR4
Total Haloacetic Acids (HAA5)	61.2 µg/L 102% of the EPA limit, in the worst sample — 60 µg/L	4/4	SYR4
Dibromochloromethane	52.5 µg/L No EPA limit set	4/4	SYR4
Chloroform	43.4 µg/L No EPA limit set	4/4	SYR4
Bromodichloromethane	41.2 µg/L No EPA limit set	4/4	SYR4
Bromoform	25.4 µg/L No EPA limit set	4/4	SYR4
Dichloroacetic Acid	23.8 µg/L No EPA limit set	3/4	SYR4
Trichloroacetic Acid	21.4 µg/L No EPA limit set	2/4	SYR4
Lithium	17.8 µg/L No EPA limit set	1/4	UCMR-5
Lead	15 µg/L 100% of the EPA limit 15 µg/L	4/4	SYR4
Dibromoacetic Acid	14.8 µg/L No EPA limit set	4/4	SYR4
Monobromoacetic Acid	13.2 µg/L No EPA limit set	2/4	SYR4
Monochloroacetic Acid	10.2 µg/L No EPA limit set	2/4	SYR4
Gross Beta Particle Activity	5.6 pCi/L No EPA limit set	1/4	SYR4
Arsenic	2.5 µg/L 25% of the EPA limit 10 µg/L	1/4	SYR4
Xylenes, Total	1.8 µg/L 0% of the EPA limit 10000 µg/L	1/4	SYR4
Combined Radium (-226 And -228)	1.5 pCi/L 30% of the EPA limit 5 pCi/L	1/4	SYR4
Atrazine	0.2300 µg/L 7.7% of the EPA limit 3 µg/L	1/4	SYR4
Simazine	0.2200 µg/L 5.5% of the EPA limit 4 µg/L	1/4	SYR4
Pfpea	0.1560 µg/L No EPA limit set	1/4	UCMR-5
Pfba	0.0193 µg/L No EPA limit set	1/4	UCMR-5
Pfhxa	0.0062 µg/L No EPA limit set	1/4	UCMR-5
6:2 Fts	0.0060 µg/L No EPA limit set	1/4	UCMR-5
PFBS	0.0045 µg/L No EPA limit set	1/4	UCMR-5
Lead	0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L	4/4	LCR

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. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Santa Fe

Supplier	Population served
GALVESTON COUNTY WCID 8	7,065
LONE PINE SUBDIVISION	141
RAIN RIVER ESTATES	100
K & B WATERWORKS	81

Frequently asked questions about Santa Fe tap water

Is Santa Fe tap water safe to drink?

EPA testing detected 30 contaminants in the water serving Santa Fe. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Santa Fe?

4 public water suppliers report drinking-water monitoring for Santa Fe, Texas to the EPA. Each is listed above with its population served.

What contaminants are in Santa Fe's water?

The contaminants EPA monitoring detected in Santa Fe include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. The full list, with the highest level found and the data source, is in the table above.

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.