Upper East Fork Poplar Creek is pictured above at the Y-12 National Security Complex in Oak Ridge on Friday, May 22, 2020. (Photo by John Huotari/Oak Ridge Today)

More than 4,000 fish and crayfish were killed by chlorinated water and mercury at the Y-12 National Security Complex in two series of incidents in 2018 and 2021.

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Upper East Fork Poplar Creek is pictured above at the Y-12 National Security Complex in Oak Ridge on Friday, May 22, 2020. (Photo by John Huotari/Oak Ridge Today)

More than 4,000 fish and crayfish were killed by chlorinated water and mercury at the Y-12 National Security Complex in two series of incidents in 2018 and 2021.

The rest of this story, which you will read only on Oak Ridge Today, is available if you are a member: a subscriber, advertiser, or contributor to Oak Ridge Today.

Already a member? Great! Thank you! Sign in here.

Not a member? No problem! Subscribe here:

Basic

• Basic monthly subscription ($5 per month)—access premium content
• Basic annual subscription ($60 per year)—access premium content

Pro

• Pro monthly subscription ($10 per month)—access premium content, get breaking news emails first, and submit one press release or public service announcement per month
• Pro annual subscription ($100 per year)—save $20 per year, access premium content, get breaking news emails first, and submit one press release or public service announcement per month

Temporary

• Temporary access ($3 per week for two weeks)

If you prefer to send a check, you may do so by mailing one to:

Oak Ridge Today
P.O. Box 6064
Oak Ridge, TN 37831

We also have advanced subscription options. You can see them here.

We also accept donations. You can donate here. A donation of $50 or more will make you eligible for a subscription.

Thank you for reading Oak Ridge Today. We appreciate your support!

Upper East Fork Poplar Creek is pictured above at the Y-12 National Security Complex in Oak Ridge on Friday, May 22, 2020. (Photo by John Huotari/Oak Ridge Today)

More than 4,000 fish and crayfish were killed by chlorinated water and mercury at the Y-12 National Security Complex in two series of incidents in 2018 and 2021.

The rest of this story, which you will read only on Oak Ridge Today, is available if you are a member: a subscriber, advertiser, or contributor to Oak Ridge Today.

Already a member? Great! Thank you! Sign in here.

Not a member? No problem! Subscribe here:

Basic

• Basic monthly subscription ($5 per month)—access premium content
• Basic annual subscription ($60 per year)—access premium content

Pro

• Pro monthly subscription ($10 per month)—access premium content, get breaking news emails first, and submit one press release or public service announcement per month
• Pro annual subscription ($100 per year)—save $20 per year, access premium content, get breaking news emails first, and submit one press release or public service announcement per month

Temporary

• Temporary access ($3 per week for two weeks)

If you prefer to send a check, you may do so by mailing one to:

Oak Ridge Today
P.O. Box 6064
Oak Ridge, TN 37831

We also have advanced subscription options. You can see them here.

We also accept donations. You can donate here. A donation of $50 or more will make you eligible for a subscription.

Thank you for reading Oak Ridge Today. We appreciate your support!