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Tap water quality report

ZIP 73438 — Hastings, OK

EPA monitoring across the 2 water suppliers serving ZIP 73438 in Hastings, OK detected 25 contaminants. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier below, with the EPA limit for each.

2
water suppliers
14,668
people served
25
contaminants found

What was found in ZIP 73438

The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate-Nitrite
1387.5 µg/L 14%
of the EPA limit 10000 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Fluoride
344 µg/L 8.6%
of the EPA limit 4000 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2018
1/2 SYR4
Copper
228.05 µg/L 18%
of the EPA limit 1300 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2018
Highest in the ZIP: 288.5 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2018
2/2 SYR4
Barium
265 µg/L 13%
of the EPA limit 2000 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2018
2/2 SYR4
TTHM
161.1 µg/L 201%
of the EPA limit, at the 95th percentile of samples — 80 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Chloroform
61.5 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
Highest in the ZIP: 94.645 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
2/2 SYR4
Total Haloacetic Acids (HAA5)
42.5 µg/L 71%
of the EPA limit 60 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
Highest in the ZIP: 62.71 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
2/2 SYR4
Bromodichloromethane
53.755 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Dibromochloromethane
50.96 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Lithium
38.6 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2024
1/2 UCMR-5
Trichloroacetic Acid
19.64 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
Highest in the ZIP: 36.03 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
2/2 SYR4
Dichloroacetic Acid
17.745 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
Highest in the ZIP: 30.355 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
2/2 SYR4
Gross Alpha, Excl. Radon And U
18.5 pCi/L 123%
of the EPA limit, at the 95th percentile of samples — 15 pCi/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
1/2 SYR4
Lead
8.9 µg/L 59%
of the EPA limit 15 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2018
Highest in the ZIP: 18.392 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2018
2/2 SYR4
Bromoform
16.75 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Chromium
9.9 µg/L 9.9%
of the EPA limit 100 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2018
1/2 SYR4
Monochloroacetic Acid
4.105 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
Highest in the ZIP: 8.368 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
2/2 SYR4
Combined Uranium
8.331 µg/L 28%
of the EPA limit 30 µg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
1/2 SYR4
Gross Beta Particle Activity
7.4685 pCi/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Dibromoacetic Acid
5.95 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Combined Radium (-226 And -228)
3.902 pCi/L 78%
of the EPA limit 5 pCi/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
2/2 SYR4
Monobromoacetic Acid
2.335 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2019
Highest in the ZIP: 3.6495 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
2/2 SYR4
2,4-D
0.9000 µg/L 1.3%
of the EPA limit 70 µg/L
Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019
1/2 SYR4
Pfba
0.0111 µg/L
No EPA limit set
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2024
1/2 UCMR-5
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
Main supplier: JEFFERSON CO CONS RWD #1 · 8,398 people · 2024
Highest in the ZIP: 0.00056 mg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2024
2/2 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 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.

Water suppliers serving ZIP 73438

SupplierStatePopulation served
JEFFERSON CO CONS RWD #1 OK 8,398
BRYAN CO. RWS & SWMD #2 OK 6,270

Frequently asked questions about ZIP 73438 tap water

Is the tap water in ZIP 73438 safe to drink?

EPA testing detected 25 contaminants across the water suppliers serving ZIP 73438. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.

Which water suppliers serve ZIP 73438?

2 public water suppliers report EPA drinking-water monitoring for ZIP 73438. Each is listed above with its population served.

What contaminants are in ZIP 73438's water?

EPA monitoring detected Nitrate-Nitrite, Fluoride, Copper, Barium, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.