What are PFAS contaminants and what does remediation cost?

PFAS (per- and polyfluoroalkyl substances): a family of approximately 12,000+ synthetic chemicals manufactured since the 1940s and used in: fire-fighting foam (AFFF, used extensively at military bases and airports); non-stick coatings (Teflon — PTFE); water-resistant clothing and outdoor gear; food packaging (microwave popcorn bags, pizza boxes, fast food wrappers); stain-resistant carpets and upholstery. Why they're called 'forever chemicals': PFAS have an extremely stable carbon-fluorine bond that makes them virtually indestructible under natural conditions; they do not break down in the environment, accumulate in the food chain, and persist in human blood indefinitely; they are found in water supplies, soil, and fish across the United States and globally. Health concerns: epidemiological studies associate PFAS exposure with increased risk of certain cancers (kidney, testicular), immune system effects, thyroid disease, high cholesterol, reproductive issues, and developmental effects in children. EPA regulation (April 2024): EPA issued the first-ever federal drinking water standards for PFAS — maximum contaminant levels (MCLs) of 4 parts per trillion (ppt) for PFOA and PFOS (the two most common PFAS); utilities must comply by 2029. Treatment costs: treating water to remove PFAS to 4 ppt requires granular activated carbon (GAC) filtration or high-pressure reverse osmosis membranes; a mid-size treatment plant upgrade can cost $20-100M+; industry estimates total compliance costs for the water sector at $1.5-2.0B annually; for AWK and WTRG, the cumulative compliance capital requirement is in the hundreds of millions each. Rate recovery: most state PUCs allow water utilities to add PFAS compliance capital to rate base and recover the cost through rates; this makes the investment additive to earnings but requires rate case approval timing.

What is the American Water Military Services Group?

Background: the U.S. Department of Defense began privatizing water and wastewater systems on military installations in 1996 under the Military Installations Privatization Program; the rationale was that private utilities with specialized water expertise could operate water systems more efficiently and reliably than Army and Air Force installation command staffs; private operators also relieve the military from the capital investment burden of maintaining aging water infrastructure. American Water's position: American Water won major multi-decade contracts (typically 50-year terms) to operate water and wastewater systems on approximately 100 U.S. military installations including Fort Bragg (now Liberty), Fort Bliss, Fort Sam Houston, Joint Base McGuire-Dix-Lakehurst, and others; AWK is the largest military water utility contractor under this program. Contract structure: AWK operates the water distribution and wastewater collection infrastructure on the base under a long-term concession agreement; AWK charges the military a per-unit rate for water and wastewater services; AWK is responsible for capital maintenance under a capital plan agreed with the military; the contracts typically provide guaranteed return on invested capital and operating fee recovery. Why it's strategically valuable: U.S. military installations will always need water service; these customers have no alternative supplier (the government won't un-privatize and operate its own water systems on short notice); 50-year contract terms provide exceptional revenue visibility; the military customer has essentially zero credit risk; this is arguably the most stable utility-like revenue stream available to any company.

How do water utilities grow when most service territories are already built out?

Organic rate base growth: water utilities invest capital to replace aging infrastructure (pipes, treatment plants, pumping stations); this capital addition increases rate base; the utility earns a return on the new rate base; earnings grow with rate base even without adding new customers. Water system acquisitions: the approximately 50,000 U.S. community water systems represent a large acquisition opportunity; AWK and Essential Utilities acquire 10-30 municipal water systems per year at various transaction sizes; each acquired system adds customers, rate base, and earnings. Developer extensions (new subdivisions and commercial developments): as developers build new residential subdivisions or commercial properties within a water utility's service territory, the utility extends its distribution system to serve the new customers; the developer often funds the initial extension (contribution in aid of construction, or CIAC); the utility adds the infrastructure to rate base; the new customers generate revenue. Service territory adjacent acquisitions: water utilities can petition to extend their regulated service territory to adjacent unserved areas; expanding service to previously unserved rural areas or new developments grows the customer base organically. Rate case revenue growth: even with flat customer and usage volumes, a water utility that invests capital can seek rate increases to earn a return on the new capital; water rates have generally increased 3-6% annually across the U.S. over the past decade; rate increases on existing customers contribute to revenue growth independent of volume changes.

brimindinvest.com / compare / wtrg-vs-awkLIVE

WTRG

Essential Utilities, Inc. · Utilities - Water & Natural Gas Distribution

$36.70

-1.10% this month

VERSUS

⟷

COMPARE

AWK

American Water Works Company, Inc. · Utilities - Water & Wastewater Services

$125.07

+0.73% this month

Scoreboard verdict

Across AI score, momentum, valuation, upside, operating margin

WTRG

3

AWK

1

WTRG LEADS 3/5

Comparison scoreboard

WTRG LEADS 3/5

AI Score

WTRG 36.7

AWK ✓39.9

1Y Return

WTRG ✓+1.75%

AWK -11.25%

Fwd P/E

WTRG ✓15.37

AWK 19.07

Target Up.

WTRG ✓+8.45%

AWK +8.38%

Op. Margin

WTRG N/A

AWK 33.22%

Metrics last refreshed: 6/22/2026

Quick take

WTRG vs AWK Stock Comparison: AI Score, Valuation, Performance and Upside

WTRG (Essential Utilities) and AWK (American Water Works) are both regulated water utilities with active acquisition strategies and 6-9% annual EPS growth targets — Essential Utilities is the smaller company with a unique water/natural gas combination after acquiring Peoples Natural Gas, while American Water Works is the largest U.S. water utility with 14+ million customers in 24 states, the Military Services Group, and consistent double-digit earnings growth history.

WTRG vs AWK is the third-largest U.S. water utility with unique water/gas combination and Pennsylvania concentration (Essential Utilities' Aqua America water leadership, Peoples Natural Gas diversification, and municipal water system acquisition strategy — managing higher leverage from Peoples acquisition and PFAS remediation exposure) versus the largest, most diversified U.S. water utility with military contract revenue and multi-decade growth track record (American Water Works' 24-state coverage, Military Services Group long-term contracts, and consistent 7-9% EPS growth — navigating multi-state regulatory complexity and PFAS compliance across the broadest water utility footprint) — combined water/gas utility versus pure-play scaled water compounder.

Live analysis · updated 6/22/2026

WTRG holds the edge across 3 of 5 key metrics in this comparison. WTRG leads on both 1-year return (+1.75%) and forward P/E (15.37x vs 19.07x for AWK), a relatively favorable combination of momentum and valuation. Analyst consensus implies similar upside for both: +8.45% for WTRG and +8.38% for AWK.

Normalized 1Y performance

WTRG

AWK

Recent returns

WTRG

AWK

Analyst price targets & sentiment

WTRG · 5 analysts

STRONG BUYHOLDSTRONG SELL

Hold (2.6/5.0)

Price target range

analyst low$37.00
analyst high$43.00
analyst mean$39.80
current price$36.70

+8.4% upside to analyst mean

AWK

Price target range

analyst mean$135.55
current price$125.07

+8.4% upside to analyst mean

Who should consider this stock?

WTRG may suit investors who:

→Value Essential Utilities' unique water/natural gas combination as providing two regulated utility platforms with different seasonal demand patterns and diversified rate base
→See WTRG's active municipal water system acquisition pipeline as a durable growth driver as cash-strapped municipalities sell systems to better-capitalized private operators
→Believe the Peoples Natural Gas acquisition leverage is manageable and the combined utility platform will deliver sustained earnings growth

AWK may suit investors who:

→Want the largest, most liquid pure-play U.S. water utility with a 20+ year history of consistent EPS and dividend growth
→Value American Water's Military Services Group as providing uniquely stable, long-term contracted revenue from an irreplaceable government customer across 100+ military installations
→Seek water utility exposure with the deepest management team, strongest capital market access, and broadest geographic diversification in the water sector

Performance & AI score

Metric	WTRG	AWK
AI score	36.7	39.9
AI rank	#1481	#1116
Latest close	$36.70	$125.07
1M return	-1.10%	+0.73%
6M return	-4.18%	-6.67%
1Y return	+1.75%	-11.25%

$10,000 invested — hypothetical growth (dividends reinvested)

How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?

Period	WTRG	AWK
1Y ago	$10.55K (+5.5%) started 2025-06-18	$8.86K (-11.4%) started 2025-06-18
5Y ago	$10.78K (+7.8%) started 2021-06-18	$9.11K (-9.0%) started 2021-06-21
10Y ago	$19.33K (+93.3%) started 2016-06-20	$23.01K (+130.1%) started 2016-06-20

Hypothetical — past performance does not guarantee future results.

Valuation & upside potential

Metric	WTRG	AWK
Market cap	$10.41B	$24.42B
Trailing P/E	18.72	22.18
Forward P/E	15.37	19.07
Price/Sales	4.08	N/A
EV/Revenue	7.36	7.67
Analyst target	$39.80	$135.55
Target upside	+8.45%	+8.38%

Growth, profitability & risk

Metric	WTRG	AWK
Revenue growth	10.00%	5.70%
Earnings growth	-23.30%	-4.80%
EPS growth	-23.30%	-4.80%
FCF margin	-25.43%	-36.44%
Operating margin	N/A	33.22%
Profit margin	21.82%	21.17%
ROIC proxy	8.34%	10.22%
Return on equity	8.34%	10.22%
Dividend yield	3.73%	2.86%
Beta	0.65	0.61
Debt/equity	122.67	142.33
Current ratio	0.95	0.37
Quick ratio	0.76	0.28

Drawdown & downside risk

Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.

1Y risk snapshot

WTRG max drawdown12.16%

AWK max drawdown17.60%

WTRG max wkly drop6.28%

AWK max wkly drop11.14%

5Y risk snapshot

WTRG max drawdown36.53%

AWK max drawdown37.10%

WTRG max wkly drop12.19%

AWK max wkly drop14.91%

10Y risk snapshot

WTRG max drawdown39.62%

AWK max drawdown37.10%

WTRG max wkly drop24.02%

AWK max wkly drop24.95%

Performance metrics by period

Period	Metric	WTRG	AWK
1Y	Growth	+1.75%	-11.36%
	CAGR	+1.75%	-11.38%
	Sharpe ratio	-0.03	-0.66
	Max drawdown	12.16%	17.60%
	Max daily drop	3.40%	3.74%
	Max wkly drop	6.28%	11.14%
5Y	Growth	-8.42%	-16.12%
	CAGR	-1.74%	-3.46%
	Sharpe ratio	-0.17	-0.24
	Max drawdown	36.53%	37.10%
	Max daily drop	5.22%	5.65%
	Max wkly drop	12.19%	14.91%
10Y	Growth	+42.35%	+91.13%
	CAGR	+3.60%	+6.70%
	Sharpe ratio	0.09	0.20
	Max drawdown	39.62%	37.10%
	Max daily drop	12.91%	12.53%
	Max wkly drop	24.02%	24.95%

Business comparison

Category	WTRG	AWK
Company	Essential Utilities, Inc.	American Water Works Company, Inc.
Sector	Utilities - Water & Natural Gas Distribution	Utilities
Industry	N/A	N/A
Core business	Essential Utilities (formerly Aqua America) is the third-largest U.S. water utility holding company, providing regulated water and wastewater services to approximately 5.7 million people in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, Virginia, and other states. In 2020, Essential Utilities acquired Peoples Natural Gas (a large Pennsylvania natural gas distribution utility), becoming the only major U.S. utility to provide both water/wastewater and natural gas distribution under one holding company. Essential Utilities has grown aggressively through tuck-in water system acquisitions (acquiring small municipal water systems), benefiting from municipalities seeking to sell water systems to better-capitalized private operators.	American Water Works is the largest and most geographically diverse publicly traded U.S. water and wastewater utility, serving approximately 14 million+ people in 24 states. American Water provides water treatment, distribution, and wastewater services through regulated subsidiaries (the largest in New Jersey, Pennsylvania, Indiana, Missouri, Illinois, California, and West Virginia) and a growing Military Services Group (operating water and wastewater services on U.S. military installations under long-term contracts) and HomeServe partnerships (home warranty programs). American Water has sold or agreed to sell its operations in several states where it lacks competitive advantage (California, New York, Connecticut) to focus on its strongest markets.
Investor focus	Investors track Essential Utilities' rate base growth (both water and natural gas), municipal water system acquisition pipeline, allowed ROE in Pennsylvania and other state rate cases, EPS growth (6-8% annual target), and dividend growth.	Investors track American Water's rate base growth (7-9% annual target), regulated vs. market-based (Military Services) revenue mix, EPS growth (7-9% annual target), water system acquisition activity, and dividend growth.

WTRG strengths

→Pennsylvania water utility leadership with decades of regulatory relationships — Essential Utilities (through Aqua Pennsylvania) has operated Pennsylvania water systems for decades; deep understanding of Pennsylvania PUC regulatory processes provides earnings predictability
→Natural gas distribution diversification from Peoples acquisition reduces water-only concentration — adding a large natural gas LDC alongside water creates two regulated utility platforms with different seasonal demand patterns; the combined utility platform is more diversified than a pure water operator
→Municipal water system acquisition strategy captures a long-duration growth opportunity — there are approximately 50,000+ community water systems in the U.S.; most are municipally or cooperatively owned; many lack capital to upgrade aging infrastructure; Essential Utilities acquires these at regulated valuations, adding to rate base and earnings while providing communities better service

AWK strengths

→Largest U.S. water utility scale provides regulatory, operational, and capital market advantages — as the largest U.S. water utility, AWK has the deepest regulatory staff, best access to capital markets at lowest cost, and most experienced operations team; scale advantages compound over time
→Military Services Group provides long-term contracted revenue stream with a unique government customer — AWK operates water and wastewater systems on approximately 100 military installations under 50-year privatization contracts with the U.S. Army and Air Force; military water contracts are extremely stable (the U.S. military needs water service regardless of economic cycles)
→Consistent 7-9% EPS growth target supported by rate base investment and municipal acquisitions — AWK has delivered consistent annual EPS growth driven by capital investment, which flows through rate base to regulated earnings

Risks to watch — WTRG

→Pennsylvania water system water quality and infrastructure liability — aging water infrastructure (lead service lines, PFAS contamination remediation) requires significant capital and creates regulatory scrutiny; any water quality incident in Essential's service area creates legal and regulatory risk
→Peoples Natural Gas acquisition leverage — the $4.3B Peoples acquisition in 2020 significantly increased Essential Utilities' debt; leverage is higher than pure water utility peers and requires ongoing debt reduction
→PFAS contamination remediation is a significant cost — PFAS (perfluoroalkyl substances, 'forever chemicals') contamination in drinking water sources requires treatment that costs hundreds of millions; federal PFAS standards issued by EPA create mandatory compliance spending

Risks to watch — AWK

→Water utility regulation varies significantly by state — AWK's 24-state presence means navigating 24 different state regulatory environments; some state PUCs are more constructive than others; maintaining consistently favorable rate case outcomes across all states is challenging
→PFAS and lead service line remediation creates significant capital requirements and litigation risk — AWK's nationwide system footprint exposes it to water quality challenges across multiple states; federal mandates for PFAS treatment and lead service line replacement will require multi-billion dollar investments over 10+ years
→AWK's California system sale reduces high-growth state exposure — AWK is selling its California operation; California is among the faster-growing western U.S. markets; the sale reduces AWK's long-term geographic diversification

Frequently asked questions

Capital constraints: many small and mid-size municipalities own water systems that are aging and require significant capital investment (replacing lead service lines, upgrading treatment plants to meet new contaminant standards, repairing leaking distribution pipes); municipalities typically fund capital through municipal bonds; after decades of underfunding infrastructure maintenance, many systems need more capital than the municipality's bond capacity or willingness to raise rates allows. Rate structure limitations: elected officials face political pressure to keep water rates low; private utilities, regulated by state PUCs rather than elected officials, can raise rates through rate cases more consistently; under private ownership, rate increases are depoliticized (they're set by a regulatory commission applying technical criteria rather than voted on by politicians facing election). Operational expertise: small municipalities may lack the technical expertise to operate complex water treatment and distribution systems to modern standards; private water utilities like AWK and Essential Utilities have specialized water treatment, engineering, and compliance staff; private ownership brings operational expertise. Fair market value legislation: states like Pennsylvania, Indiana, and other states have passed 'fair market value' legislation allowing private utilities to acquire municipal systems at fair market value (based on replacement cost or income approach) rather than just the depreciated book value; this higher acquisition price makes the transaction more attractive to municipalities receiving value for their system. The result: several hundred municipal water system transactions occur annually; the pace is accelerating as aging infrastructure needs create urgency; AWK and Essential Utilities are the most active acquirers.

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