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About our Sewage Signs

Place an obvious warning near sewage discharge areas, septic fields, and treatment facilities, so no one ever tries to go swimming. Sewage warning signs are available in a variety of sizes to prevent accidental exposure to unsafe water.

  • • Premium 3M inks, printed on rustproof aluminum with an outdoor durability of over 10 years.
  • • Resistant to chemical spills and high temperatures, so these won't fade or erode — a favorite of our many treatment facility buyers.
  • • Use different headers or signal words to indicate the severity of the hazard or situation.
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The internet's best selling safety signs

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4.8 stars out of 26K reviews

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You can't beat our standards. 3M warranty.

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Size: 18" x 12" Material type: Engineer Grade Reflective Aluminum Sign
Nice sign
These signs are awesome. They have that nice 3m coating. Seems like they should last a while.
Size: 10" x 14" Material type: Aluminum (40 mil)
Sign order
The original order was lost in the mail by the USPS. When I notified the seller, a replacement order was sent out immediately and I had it in a day or two. Great signs, great customer service.
Size: 7" x 10" Material type: HDPE Plastic Sign
Fast
Fast
Size: 12" x 18" Material type: Heavy-Duty Aluminum Sign, 63 mil
Water Hazard Sign
Great service as always
Size: 7" x 10" Material type: Aluminum (40 mil)
As advertised
Great quality and delivery was fast!

Reclaimed Water and Non Potable Water Signs