--- title: Trust, but verify, when it comes to environmental issues. description: Environmental due diligence is a process to evaluate potential environmental risks and liabilities associated with a property before a transaction. image: https://www.currenenvironmental.com/hubfs/100_0586.jpg --- [![Curren Environmental](https://www.currenenvironmental.com/hs-fs/file-13663245-jpg/images/currenheader.jpg?width=4000&height=1107&name=currenheader.jpg "Curren Environmental")](http:\\www.currenenvironmental.com) [![Learn more visit Curren Environmental](https://no-cache.hubspot.com/cta/default/28573/b6b1b918-e12f-4b0e-bf98-f6ea709f4aa5.png)](https://cta-redirect.hubspot.com/cta/redirect/28573/b6b1b918-e12f-4b0e-bf98-f6ea709f4aa5) # Hot Environmental Topics ## [Trust, but verify, when it comes to environmental issues.](https://www.currenenvironmental.com/blog/trust-but-verify-when-it-comes-to-environmental-issues) ** Oct 14, 2025 9:45:00 AM / by [David C Sulock](https://www.currenenvironmental.com/blog/author/david-c-sulock) - [Tweet](https://twitter.com/share) Recently, we received an email from an associate in the real estate industry. “I have a client purchasing a home built in 1988. The sellers stated that the prior owner mentioned a tank was removed before they bought the house. They don’t know if it was oil or propane. I requested an OPRA report, but am waiting for it to come back. Is it even possible for a home built in 1988 to have had a buried tank? The home inspector also noted evidence of prior oil heat but stated that searching for hidden or removed tanks is outside the scope of their inspection.” ## Our Response Yes — it’s 100% possible and, in many cases, likely. Most likely, the tank was an **underground oil tank**, although propane is possible if natural gas wasn’t available at the time.  We’ve seen homes built as recently as the early 2000s that originally used oil heat. After obtaining the property address, we determined that the home **did have an underground storage tank (UST) removed**, and it **had leaked**, resulting in an **NJDEP case number**. The **OPRA (Open Public Records Act)** request provided minimal information — only that a **500-gallon UST was removed in June 2014**. Many people expect an OPRA to include detailed reports or test results, but it rarely does. *** [![Oil Tank OPRA](https://www.currenenvironmental.com/hs-fs/hubfs/OIl%20Tnak%20OPRA.jpg?width=1127&height=216&name=OIl%20Tnak%20OPRA.jpg)](https://www.currenenvironmental.com/tank-removal/faq)*** A “glass-half-full” person might assume the tank didn’t leak. An **experienced environmental professional** would say: *“Show me the documentation proving the tank did not leak.”* ## **The Investigation Continues** Upon further review, we discovered that **Curren Environmental** had actually performed the remediation work years prior. (With thousands of projects completed annually, not every address immediately rings a bell!) Fortunately, we were able to provide the **NJDEP No Further Action (NFA)** letter needed for the real estate transaction. ## **The Problem** The seller had no knowledge of the NFA or that it even existed. They only knew a tank had been removed — and some believed it was propane. This is a perfect example of why, in real estate, you must **trust but verify**. Always confirm that what’s presented is accurate and supported by documentation before relying on it. ## **A Less Happy Ending** Not all cases end this smoothly. In another instance, we performed a **tank sweep for a buyer** on a beautifully renovated home listed at a premium price. Our **geophysical scan** didn’t find a tank — but it did reveal **groundwater monitoring wells**, which typically indicate a history of contamination.  Further research uncovered that the property once had an **oil tank that leaked** and **was never closed out with the NJDEP**. The contamination had **not been disclosed**, and the **sale fell through**. One year later, the home still hadn’t sold and was being rented out. In this case, the seller — a flipper — had purchased and renovated the property without doing proper **environmental due diligence**, tying up significant capital in a contaminated property. ## **The Takeaway** Inspectors in New Jersey are not required to search for buried or removed tanks — but **your clients rely on you for guidance**.  Recommending a **tank sweep or environmental history review** can protect your client from costly surprises and protect your reputation as a trusted professional. Even honest sellers may be unaware of past tank leaks or remediation.  The only way to uncover these issues is through **Buyer Due Diligence** — verifying records, performing scans, and reviewing NJDEP data. ## **Final Thought** When it comes to environmental concerns in real estate:  **Trust, but verify.  **Always do your due diligence. Topics: [AAI All Appropriate Inquiries](https://www.currenenvironmental.com/blog/topic/aai-all-appropriate-inquiries), [OIl Tank Sweeps](https://www.currenenvironmental.com/blog/topic/oil-tank-sweeps), [Due Diligence](https://www.currenenvironmental.com/blog/topic/due-diligence) #### Written by [David C Sulock](https://www.currenenvironmental.com/blog/author/david-c-sulock) ### Subscribe to Email Updates - [Recent](https://www.currenenvironmental.com/blog/trust-but-verify-when-it-comes-to-environmental-issues#tab-1) - [Popular](https://www.currenenvironmental.com/blog/trust-but-verify-when-it-comes-to-environmental-issues#tab-2) - [Categories](https://www.currenenvironmental.com/blog/trust-but-verify-when-it-comes-to-environmental-issues#tab-3) ### Lists by Topic - [Mold Testing (25)](https://www.currenenvironmental.com/blog/topic/mold-testing) - [mold (23)](https://www.currenenvironmental.com/blog/topic/mold) - [mold remediation (20)](https://www.currenenvironmental.com/blog/topic/mold-remediation) - 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(Curren) is a professional environmental services company that provides turnkey solutions for a broad spectrum of environmental issues. **With over 28 ****years **of experience in tank removals, mold, subsurface evaluations (soil and water sampling), site investigations, and remedial activities, you know you are dealing with a company that has a strong foundation of knowledge and experience to handle your environmental issue.   #### Contact Us ** 888-301-1050 ** [info@currenenvironmental.com](mailto:info@currenenvironmental.com) ** 10 Penn Avenue Cherry Hill, NJ 08002 Curren Environmental is your environmental services company servicing Delaware, New Jersey and Pennsylvania. Nothing on this web page, or anywhere on this web site, is to be construed as giving legal advice, nor is it intended to replace the counsel of your own legal and financial advisors. 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