Discharging or depositing any water pollutants to the water body, or such which will impede natural flow in the water body
Discharging, injecting or allowing to enter into the soil, anything that would pollute groundwater
Operating facilities that discharge regulated water pollutants without the valid required permits
Disposal of potentially infectious medical waste into sea by vessels
Unauthorized transport or dumping into waters of sewage sludge or solid waste
Transport, dumping or discharge of prohibited chemicals, substances or pollutants listed under Toxic Chemicals, Hazardous and Nuclear Wastes Control Act (Republic Act 6969)
Discharging regulated water pollutants without the valid required discharge permit pursuant to this Act
Noncompliance of the LGU with the Water Quality Framework and Management Area Action Plan
Refusal to allow entry, inspection and monitoring as well as access to reports and records by the DENR in accordance with this Act
Refusal or failure to submit reports and/or designate pollution control officers whenever required by the DENR in accordance with this Act
Directly using booster pumps in the distribution system or tampering with the water supply in such a way to alter or impair the water quality
Operate facilities that discharge or allow to seep, willfully or through grave negligence, prohibited chemicals, substances, or pollutants listed under RA 6969, into water bodies
Undertake activities or development and expansion of projects, or operating wastewater treatment/sewerage facilities in violation of PD 1586 and its IRR