If your debt was discharged prior to the lien being filed then the answer is "absolutely not!" The fixing of the lien is an attempt to collect the discharged debt and is a violation of the discharge injunction.
Please consult with your bankruptcy attorney as soon as possible.
This answer is for informational purposes only and should not be construed as legal advice or as establishing an attorney-client relationship. You should seek out a qualified, licensed attorney who maintains malpractice insurance in your state of residence.
If Culligan had notice of your bankruptcy filing, then they were discharged. They cannot file a lien on your house post-discharge for a debt that was incurred before the bankruptcy.
This is a violation of the discharge injunction. Contact the lawyer who filed your bankruptcy; and they can get the lien voided.
I am only licensed in WA State. This is only my general observation about the law and my experiences as a practicing attorney. This is not legal advice and should not be construed as legal advice. This does not create an attorney client relationship. If you wish to obtain legal advice or create an attorney-client relationship, then you should directly contact a lawyer licensed in your state who you believe possesses the knowledge and experience to assist you with your case.
You should definitely have a local bankruptcy attorney take a look to determine the nature of the lien involved and whether it attached to your property before or after the bankruptcy filing.
Many possibilities exist here depending on whether this was a consensual lien you granted the contractor of the water system, a mechanic's lien, or a judgment lien. An experienced attorney can review the county records, your contract with the installer/supplier that installed the system, and your bankruptcy petition to let you know whether anything can be done.
I am an attorney licensed exclusively in the State of Washington. All information provided should never be interpreted as legal advice with respect to any particular situation. Review all information obtained on this website with skepticism and contact an attorney in your state if you have questions about the subjects discussed.