When the prospect of a new commercial building is announced, attention quickly turns to permits, blueprints, and budgets. But lurking just beneath the surface is another critical hurdle: the water study. These assessments, often required by environmental regulations, can significantly delay commercial construction projects—sometimes by months or even years. The reasons are both procedural and practical, and understanding them is essential for developers, city planners, and the broader public.
Short answer: A water study can delay commercial construction because it is a key part of the environmental review process required by federal law, specifically the National Environmental Policy Act (NEPA). This process involves multiple stages of analysis, public comment, and agency review to determine how the proposed construction might affect water resources and the surrounding environment. Each stage introduces mandatory waiting periods and opportunities for further analysis or public challenge, which can cumulatively hold up a project for an extended time.
The Role of Water Studies in Environmental Review
Before ground can be broken on a commercial construction project—whether it’s a shopping center, office building, or warehouse—the developer may be required to conduct a water study. This study examines how the project will impact local water quality, supply, drainage, and potential contamination issues. According to the Environmental Protection Agency (epa.gov), such studies are typically folded into a broader environmental review process under NEPA, especially if the project involves federal funding, federal land, or is subject to federal permits.
The water study itself can be part of an Environmental Assessment (EA) or a more comprehensive Environmental Impact Statement (EIS). These documents are not just bureaucratic paperwork—they are detailed analyses designed to evaluate the “environmental impacts of the proposed action and alternatives,” as well as to consider comments and concerns from other agencies and the public (epa.gov).
One of the biggest sources of delay stems from the procedural requirements built into the NEPA process. For example, if a water study indicates the potential for significant environmental effects, a full EIS is triggered. According to epa.gov, the EIS process includes several mandated steps: a Notice of Intent is published, starting a scoping period during which the public and agencies can suggest issues to study—this alone can take weeks to months, depending on the project’s complexity.
After the draft EIS (including the water study findings) is prepared, it must be published for public review and comment for a minimum of 45 days. During this time, any concerned party—from local residents to environmental groups—can submit comments or raise objections, which the agency must consider. If substantial new issues are raised, the agency may have to conduct further studies or revise the EIS, further prolonging the process.
Once the final EIS is published, there is another mandatory “wait period” of at least 30 days before a final decision can be made. As epa.gov notes, “agencies are generally required to wait 30 days before making a final decision on a proposed action,” ensuring that all comments and potential challenges have been adequately addressed.
Complexities and Potential for Additional Delays
While the minimum waiting periods are fixed, the real-world timeline can be much longer. The water study itself may uncover issues—such as potential contamination of groundwater, risks of flooding, or impacts on protected wetlands—that require additional technical analysis or mitigation planning. For example, if the study finds that a new development could “significantly affect the quality of the human environment,” the entire project might be sent back for deeper analysis, or even for consideration of alternative sites or designs (epa.gov).
If disagreements arise—say, between the developer’s consultants and local environmental agencies—these can lead to further rounds of back-and-forth. The EIS process mandates that agencies “consider all substantive comments and, if necessary, conduct further analyses.” This requirement means that even after the draft study is complete, new questions can force additional delays as more data is gathered or as the project is redesigned to address public or agency concerns.
Real-World Examples and Implications
The timeframes involved are not trivial. According to the EPA’s published procedures, just the public comment and waiting periods can add at least 75 days to a project timeline. In practice, the entire NEPA review process—including the initial water study, preparation of the EA or EIS, public comment, and final decision—can take six months to several years, particularly for projects of regional significance or those in environmentally sensitive areas. This is particularly true if the water study identifies “area of disputed issues” that require resolution before proceeding (epa.gov).
Even projects that are eventually approved may be required to implement costly mitigation measures—such as advanced stormwater management systems, water recycling facilities, or ongoing monitoring—that can further delay construction while plans are revised and new permits are obtained.
Why Water Studies Are Required—and Why Delays Matter
At the heart of all this is a balancing act: safeguarding water resources while allowing needed development. Water studies are not just regulatory hurdles; they are vital tools for protecting public health, maintaining reliable water supplies, and preventing long-term environmental damage. For example, a poorly planned commercial development could disrupt aquifers, pollute rivers, or increase flood risk for neighboring communities.
However, from a developer’s perspective, these studies—and the lengthy review process they trigger—can be a major source of frustration and financial risk. Delays can increase costs, jeopardize financing, and even cause projects to be abandoned if the timeline stretches out too long or if conditions change during the review.
No Simple Shortcuts
While some smaller projects may qualify for a “Categorical Exclusion” (CATEX) if they are deemed unlikely to have significant environmental impacts, most large commercial projects do not. As the EPA notes, a CATEX can only be used “when the federal action normally does not have a significant effect on the human environment.” If there’s any doubt, or if there’s public controversy, a full EA or EIS—including a comprehensive water study—will be required.
Once the NEPA process is underway, there are few opportunities to shorten the timeline. Each step is governed by federal regulations designed to ensure transparency, scientific rigor, and public involvement. The only way to avoid delays is to plan ahead, conduct thorough preliminary studies, and engage with stakeholders early and often.
The Big Picture: Transparency, Accountability, and Risk Management
Ultimately, the delays caused by water studies and the broader NEPA process are a reflection of society’s values: a commitment to environmental stewardship, public participation, and sound decision-making. While developers may wish for a faster process, the safeguards are there to prevent costly mistakes and protect vital resources.
To quote from the EPA’s process summary, the EIS must include a “summary of the EIS, including the major conclusions, area of disputed issues, and the issues to be resolved,” ensuring that all concerns—including those raised by water studies—are addressed before a project moves forward (epa.gov).
Conclusion
A water study can delay commercial construction projects because it is enmeshed in a legally mandated, multi-step environmental review process that prioritizes thoroughness over speed. Each phase—scoping, analysis, public comment, and final decision—builds in opportunities for additional scrutiny and challenge, particularly if water resources are at risk. While these delays can be costly and frustrating for developers, they are a critical part of making sure that new construction does not come at the expense of clean water, public safety, or environmental health. As seen in the procedures outlined by the EPA, the process is designed to ensure that “all substantive comments” are considered, that “alternatives” are fully explored, and that the final decision is as informed and responsible as possible. This is why, for anyone involved in commercial construction, understanding and planning for the potential delays caused by water studies is not just prudent—it’s essential.
