Terms of Use

1. Acceptance of Terms

By accessing, browsing, or using this Website in any manner, you acknowledge that you have read, understood, and agree to be bound by these Terms and our Privacy Policy, which is incorporated herein by reference.

If you do not agree to these Terms, you must not access or use this Website. Your continued use of the Website constitutes your ongoing acceptance of these Terms and any modifications thereto.

If you are using this Website on behalf of an organization, you represent and warrant that you have the authority to bind that organization to these Terms, and "you" shall refer to both you individually and the organization.

2. Description of Service

DrainageCalculators.com provides free online tools and resources for drainage engineering, including:

• Calculators: Interactive tools for stormwater, hydraulic, and hydrologic calculations including the Rational Method, Manning's Equation, SCS Curve Number method, and more.
• Reference Data: Tables of engineering values such as Manning's n coefficients, runoff coefficients, curve numbers, pipe dimensions, and soil properties.
• Educational Content: Articles, guides, and tutorials explaining drainage engineering concepts and methodologies.
• Software Guides: Information about industry-standard drainage and hydraulic modeling software.

All services are provided free of charge for educational and preliminary design purposes. We reserve the right to modify, suspend, or discontinue any aspect of the Service at any time without notice.

3. User Obligations

By using this Website, you agree to:

3.1 Lawful Use

• Use the Website only for lawful purposes and in accordance with these Terms
• Comply with all applicable local, state, national, and international laws and regulations
• Not use the Website in any way that violates any applicable law or regulation

3.2 Responsible Use

• Verify all calculations and results before use in any actual project
• Provide accurate input data when using calculators
• Use results only within the stated limitations and assumptions
• Apply appropriate professional judgment when interpreting results
• Consult with qualified professionals for actual engineering design work

3.3 Prohibited Activities

You agree NOT to:

• Attempt to gain unauthorized access to any portion of the Website or its systems
• Use any automated means (bots, scrapers, etc.) to access or collect data from the Website
• Interfere with or disrupt the Website's operation or servers
• Transmit any viruses, malware, or other harmful code
• Reverse engineer, decompile, or disassemble any portion of the Website
• Use the Website to distribute spam, phishing, or other malicious content
• Impersonate any person or entity or misrepresent your affiliation
• Collect or store personal information about other users

4. Intellectual Property

4.1 Our Content

The Website and its entire contents, features, and functionality (including but not limited to all information, software, text, displays, images, graphics, and the design, selection, and arrangement thereof) are owned by DrainageCalculators.com, its licensors, or other providers of such material and are protected by United States and international copyright, trademark, patent, trade secret, and other intellectual property or proprietary rights laws.

4.2 Limited License

We grant you a limited, non-exclusive, non-transferable, revocable license to access and use the Website for personal, non-commercial, and educational purposes, subject to these Terms. This license does not include:

• The right to copy, modify, or create derivative works from the Website
• The right to sell, license, or distribute our content
• The right to use our trademarks or branding without permission
• The right to remove any copyright or proprietary notices

4.3 Trademarks

"DrainageCalculators.com" and our logo are trademarks of DrainageCalculators.com. You may not use our trademarks without our prior written permission. All other trademarks, service marks, and trade names referenced on this Website are the property of their respective owners.

4.4 Third-Party Content

Our calculators and reference data are based on methodologies from government agencies, professional organizations, and academic publications. We acknowledge these sources and make no claim to the underlying methodologies. Original source documents remain the property of their respective publishers.

5. Disclaimer of Warranties

THE WEBSITE AND ALL CONTENT, CALCULATORS, REFERENCE DATA, AND SERVICES ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS, WITHOUT ANY WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED.

TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, INCLUDING BUT NOT LIMITED TO:

• WARRANTIES OF MERCHANTABILITY
• FITNESS FOR A PARTICULAR PURPOSE
• NON-INFRINGEMENT
• ACCURACY OR COMPLETENESS OF CONTENT
• RELIABILITY OF CALCULATIONS OR RESULTS
• UNINTERRUPTED OR ERROR-FREE OPERATION
• SECURITY FROM VIRUSES OR HARMFUL COMPONENTS

We do not warrant that the Website will meet your requirements, that results obtained from the Website will be accurate or reliable, or that any errors will be corrected.

6. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL DRAINAGECALCULATORS.COM, ITS OWNERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, AFFILIATES, OR LICENSORS BE LIABLE FOR ANY:

• INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES
• LOSS OF PROFITS, REVENUE, DATA, OR BUSINESS OPPORTUNITIES
• PROPERTY DAMAGE OR PERSONAL INJURY
• DESIGN, CONSTRUCTION, OR OPERATIONAL FAILURES
• COSTS OF SUBSTITUTE SERVICES OR PRODUCTS

ARISING OUT OF OR RELATED TO YOUR USE OF OR INABILITY TO USE THE WEBSITE, REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY, OR OTHERWISE), EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

In jurisdictions that do not allow the exclusion or limitation of liability for consequential or incidental damages, our liability shall be limited to the maximum extent permitted by law.

7. Indemnification

You agree to defend, indemnify, and hold harmless DrainageCalculators.com, its owners, officers, directors, employees, agents, affiliates, and licensors from and against any and all claims, damages, obligations, losses, liabilities, costs, and expenses (including but not limited to attorney's fees) arising from:

• Your use of the Website
• Your violation of these Terms
• Your violation of any rights of another party
• Your violation of any applicable law or regulation
• Any claim that your use of the Website caused damage to a third party
• Any designs, calculations, or decisions based on information from this Website

This indemnification obligation shall survive the termination of these Terms and your use of the Website.

8. Termination

We may terminate or suspend your access to the Website immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach these Terms.

Upon termination:

• Your right to use the Website will immediately cease
• All provisions of these Terms which should survive termination shall survive, including ownership provisions, warranty disclaimers, indemnification, and limitations of liability

You may discontinue your use of the Website at any time.

9. Governing Law

These Terms shall be governed by and construed in accordance with the laws of the United States and the State of [Your State], without regard to its conflict of law provisions.

Any legal action or proceeding arising out of or relating to these Terms or the Website shall be brought exclusively in the federal or state courts located in [Your County], [Your State], and you consent to the personal jurisdiction of such courts.

You agree that any cause of action arising out of or related to the Website must be commenced within one (1) year after the cause of action accrues; otherwise, such cause of action is permanently barred.

10. Modifications

10.1 Changes to Terms

We reserve the right to modify these Terms at any time at our sole discretion. If we make material changes, we will update the "Last Updated" date at the top of this page. Your continued use of the Website following the posting of revised Terms constitutes your acceptance of such changes.

10.2 Changes to Website

We reserve the right to modify, suspend, or discontinue the Website or any part thereof (including any calculators, reference data, or features) at any time without notice. We shall not be liable to you or any third party for any modification, suspension, or discontinuance of the Website.

10.3 Severability

If any provision of these Terms is held to be invalid, illegal, or unenforceable, the remaining provisions shall continue in full force and effect.

10.4 Entire Agreement

These Terms, together with our Privacy Policy and Disclaimer, constitute the entire agreement between you and DrainageCalculators.com regarding your use of the Website and supersede all prior agreements and understandings.

10.5 Waiver

No waiver of any term or condition of these Terms shall be deemed a further or continuing waiver of such term or any other term. Our failure to enforce any provision of these Terms shall not constitute a waiver of that provision.

Contact Us

If you have any questions about these Terms, please contact us:

• Website: DrainageCalculators.com
• Related Site: DrainageConnect.com