Environment (Water Quality)

in committee · Arizona · Senate May 4, 2026

SB 1837: 2026-2027; environment

This bill directs Arizona state environmental funds to specific uses for the 2026-2027 fiscal year. It allows money from the underground storage tank fund to cover department administrative costs and address sewage discharge problems in border areas like Naco. The legislation also permits legal fees to be paid from the water banking fund and grants up to $336,000 from the water protection fund to the Department of Water Resources for administrative expenses. Additionally, it sets a $15 million spending cap for the water quality assurance revolving fund and mandates that vehicle emissions testing fees in Area A remain at their 2025 levels.

Topics ✓ Budget & TaxesSupports Budget & TaxesBill allocates specific funds to state environmental and water resources departments for administrative costs and project implementation.90% confidence ✓ EnvironmentSupports EnvironmentBill allocates funds to address sewage discharge and administrative costs for environmental protection, indicating support for environmental management.85% confidence

Sub-Topics Government Spending Water Quality

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vetoed · Arizona · House May 5, 2026

HB 4144: 2026-2027; environment.

This bill outlines how specific environmental funds in Arizona can be used during the 2026-2027 fiscal year. It allows money from the underground storage tank fund to cover administrative costs and address sewage discharge problems in border areas like Naco. The legislation also permits the use of water banking and water protection funds to pay legal fees and cover departmental administrative expenses. Additionally, it sets a $15 million spending cap for the water quality assurance revolving fund and keeps vehicle emissions testing fees at their 2025 levels. Although the bill passed the legislature, it was vetoed by the Governor.

Topics ✓ Budget & TaxesSupports Budget & TaxesBill explicitly allocates funds for environmental programs, administrative costs, and legal fees, advancing fiscal management and funding essential state services.90% confidence ✓ EnvironmentSupports EnvironmentBill allocates funds to address sewage discharge and administrative costs for environmental protection, indicating support for pollution control.75% confidence

Sub-Topics Government Spending Water Quality

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failed · Arizona · Senate Mar 19, 2026

SB 1019: public water systems; fluoride; prohibition

This bill amends Arizona law to prohibit the use of lead in public water systems, requiring all new or modified water infrastructure to meet specific non-lead standards before construction or installation. It affects public water system operators, municipalities, and construction companies by mandating that plans and specifications for water treatment plants, distribution systems, and related devices be submitted for review to ensure compliance with lead-free requirements. The legislation also establishes fee structures for plan reviews, sets simplified procedures for small systems serving fewer than 3,300 people, and requires water quality testing and reporting to prevent lead contamination in drinking water.

Topics ✓ EnvironmentSupports EnvironmentBill prohibits lead in public water systems, protecting water quality and reducing environmental pollution hazards.95% confidence

Sub-Topics Drinking Water Water Quality

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introduced · Arizona · House Jan 27, 2026

HB 2516: watershed health; use; survey

HB 2516 amends Arizona water law by defining "watershed health uses" and requiring the Department of Water Resources director to conduct groundwater quality studies. The bill adds a new duty for the director to perform feasibility studies and remedial investigations on groundwater quality, with the option to enter into federal agreements under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). This change directly affects the Department of Water Resources, which will now have a specific administrative obligation to assess groundwater quality. The bill focuses on clarifying terminology and adding a study requirement without altering existing water rights or funding.

Topics ✓ EnvironmentSupports EnvironmentBill mandates groundwater quality studies and remedial investigations under CERCLA, directly advancing watershed health and pollution control through new Department duties.95% confidence

Sub-Topics Water Quality

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passed · Arizona · Senate Mar 26, 2026

SB 1176: stormwater storage; replenishment credits

SB 1176 creates a system for earning "replenishment credits" by storing stormwater in specially permitted underground facilities within the Phoenix Active Management Area. It allows entities (referred to as "storer") to recharge stormwater, with the director crediting 95% of the volume stored annually toward offsetting future groundwater use obligations. These credits can be used within two miles of the storage site to offset groundwater withdrawals or transferred to eligible entities within the same groundwater subbasin. The bill formalizes this credit mechanism under Arizona Revised Statutes sections 45-837.01 and 45-831.01, directly affecting water users and developers managing stormwater in Phoenix-area aquifers.

Topics ✓ EnvironmentSupports EnvironmentBill promotes groundwater conservation by incentivizing stormwater storage to offset withdrawals, directly conserving a natural resource and enhancing water management.90% confidence

Sub-Topics Water Quality

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vetoed · Arizona · Senate Jun 19, 2026

SB 1445: water quality; testing; on-site

SB 1445 modifies Arizona's water quality regulations to allow small municipalities (with populations between 1,000 and 10,000) to use EPA-approved on-site equipment for bacteriological testing of wastewater. It updates permit requirements for facilities discharging pollutants, including specifying that small towns may conduct this testing on-site instead of sending samples to external labs. The bill directly affects local governments and wastewater facilities in smaller communities by streamlining testing procedures while maintaining EPA standards. It also clarifies permit processes for aquifer protection and aligns with federal Clean Water Act requirements.

Topics ✓ EnvironmentSupports EnvironmentAllows small municipalities to use EPA-approved on-site testing for wastewater, maintaining regulatory standards while improving efficiency for water quality compliance.92% confidence

Sub-Topics Water Quality

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introduced · Arizona · House Jan 21, 2026

HB 2541: citizen suits; environment

HB 2541 allows Arizona citizens directly harmed by environmental violations to sue polluters, the state, or local governments in court after giving 120 days' notice to both the violator and environmental authorities. The bill requires plaintiffs to prove their case and ensures state agencies have priority in enforcement - citizen lawsuits cannot proceed if the state is already investigating or prosecuting the violation. It also directs civil penalties collected from these lawsuits into Arizona’s Water Quality Assurance Revolving Fund, which must receive $18 million annually for environmental programs. This law expands private enforcement of environmental rules while prioritizing state-led action and funding water quality initiatives.

Topics ✓ EnvironmentSupports EnvironmentEnables citizen lawsuits for environmental violations, strengthening enforcement mechanisms and prioritizing state agency oversight over redundant litigation.90% confidence

Sub-Topics Water Quality

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introduced · Arizona · Senate Feb 2, 2026

SB 1490: pool review; fee; authority

SB 1490 requires Arizona's environmental department to establish minimum standards for the design and sanitation of public and semipublic swimming pools and bathing places, aiming to prevent water pollution and maintain health conditions. These rules must be developed in cooperation with the Arizona Department of Health Services and align with existing health regulations. The bill directly affects operators of facilities like community pools, hotel pools, and public bathing areas, requiring them to comply with the new standards. The department will oversee implementation and enforcement of these requirements.

Topics ✓ EnvironmentSupports EnvironmentBill explicitly aims to prevent water pollution through minimum sanitation standards for pools, directly protecting environmental quality and aligning with pollution control.95% confidence

Sub-Topics Water Quality

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introduced · Arizona · Senate Feb 9, 2026

SB 1405: environment; citizen suits

SB 1405 allows Arizona citizens to file lawsuits to enforce environmental laws when their interests are harmed by violations. It requires plaintiffs to provide 120 days' notice to both the environmental director and the alleged violator before suing, and bars lawsuits if the state is already investigating or prosecuting. The bill also lets citizens intervene in state enforcement actions and permits courts to award attorney fees to prevailing parties and collect civil penalties. These penalties must be deposited into Arizona's Water Quality Assurance Revolving Fund. The law aligns with federal environmental citizen suit provisions (33 U.S.C. § 1365).

Topics ✓ EnvironmentSupports EnvironmentAllows citizens to sue for environmental law violations, requires notice period, enables state intervention, and awards fees/punitive penalties - strengthening enforcement without weakening protections.95% confidence

Sub-Topics Water Quality

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introduced · Arizona · House Jan 27, 2026

HB 2280: watersheds; beneficial use; instream flows

HB 2280 authorizes Arizona's Game and Fish Commission to acquire and lease surface water rights specifically for "watershed health uses" and "instream flows," as defined in state law. This gives the Commission new authority to secure water resources to maintain healthy ecosystems, support fish habitats, and protect river flows. The bill also directs 5% of certain funds toward public access improvements, such as trail maintenance. The measure expands the Commission's tools for managing water resources to benefit environmental conservation without altering existing wildlife management duties.

Topics ✓ EnvironmentSupports EnvironmentAuthorizes water rights for watershed health and instream flows to protect ecosystems, fish habitats, and river flows, directly advancing environmental conservation through resource management.95% confidence

Sub-Topics Conservation Water Quality Wildlife

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